{"title":"High Output Alternators","description":null,"products":[{"product_id":"enerdrive-b-604-24-70-dv","title":"Balmar 24V 70A 60 Series Alternator, 4in Saddle Mount, Dual V Pulley, Isolated Ground","description":"\u003ch2\u003eBalmar 604 Series 70A 24V Marine Alternator\u003c\/h2\u003e\n\u003ch3\u003eReliable Isolated Ground Charging for Recreational Vessels\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBalmar 604 Series 70A 24V Alternator (B-604-24-70-DV)\u003c\/strong\u003e is a compact, high-output alternator from Balmar's 6-Series. Balmar designs its 6-Series alternators for recreational applications and describes them as ideal for modest charging upgrades. It has a \u003cstrong\u003e4in (approx. 101.6mm) J-180-style saddle mount (dual foot)\u003c\/strong\u003e, the mounting style Balmar lists as typical for \u003cstrong\u003eCaterpillar, Cummins, Detroit Diesel and John Deere\u003c\/strong\u003e engines.\u003c\/p\u003e\n\u003cp\u003eOperating at \u003cstrong\u003e24V with a 70A output\u003c\/strong\u003e, it provides dependable power generation to keep navigation, communication and onboard house systems running. For 24V applications, Balmar specifies a Max Charge multi-stage regulator.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features and Technical Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolated Ground Architecture:\u003c\/strong\u003e Helps prevent stray current corrosion and galvanic damage in metal-hulled vessels by keeping the electrical return path completely separate from the engine block.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4in (Approx. 101.6mm) J-180 Saddle Mount:\u003c\/strong\u003e J-180-style dual-foot mounting configuration for engines with a 4in saddle bracket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Deep Vee Pulley:\u003c\/strong\u003e Accommodates twin belts to maximise surface contact, significantly reducing belt slippage and premature wear when driving high-load 24V electrical systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Engine Applications:\u003c\/strong\u003e Balmar lists this mounting style as typical for Caterpillar, Cummins, Detroit Diesel and John Deere engines. Check your engine bracket before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Fan Cooling:\u003c\/strong\u003e Compact, small-case 6-Series design with dual fan cooling and a high airflow frame.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Upgrade to an Isolated Ground Balmar Alternator?\u003c\/h3\u003e\n\u003cp\u003eIn marine environments, particularly on aluminium or steel-hulled vessels, using a standard case-grounded alternator introduces significant risks of electrolysis and rapid hull degradation. The \u003cstrong\u003eisolated ground terminal\u003c\/strong\u003e on the B-604-24-70-DV ensures that all charging currents return directly to the battery bank via dedicated cabling rather than passing through the engine block and drivetrain. This reduces the risk of costly galvanic corrosion and protects sensitive onboard electronics from ground-loop interference.\u003c\/p\u003e\n\u003cp\u003eFurthermore, driving a 24V alternator under heavy load requires substantial mechanical torque. A single belt often slips under these conditions, leading to glazed belts, black dust accumulation in the engine bay, and undercharged batteries. The inclusion of a \u003cstrong\u003edual deep vee pulley\u003c\/strong\u003e distributes the mechanical load across two belts, ensuring reliable power transfer during long passages.\u003c\/p\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cp\u003eThis model suits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCruising Vessels:\u003c\/strong\u003e Motor yachts and long-range cruisers running 24V house and starting banks on engines with a 4in J-180-style alternator mount.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal-Hulled Yachts and Cruisers:\u003c\/strong\u003e Aluminium and steel vessels where an isolated ground charging circuit is preferred.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eData sheet: \u003ca href=\"https:\/\/balmar.net\/wp-content\/uploads\/2017\/11\/PDS-604-24-70-DV.pdf\"\u003eBalmar 6-Series alternator data sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eUpgrade Your Charging System Today\u003c\/h3\u003e\n\u003cp\u003eEnsure your vessel has the dependable 24V power generation it needs. Order the Balmar 604 Series 70A Alternator today for a durable, isolated-ground charging solution for engines with a 4in J-180-style mount.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43629759365181,"sku":"B-604-24-70-DV","price":1312.74,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/balmar-60-series-24v-70a-alternator-dual-pulley-b-604-24-70-dv.png?v=1792490525"},{"product_id":"enerdrive-b-96-48-100-k8","title":"Balmar 48V 100A 96 Series Alternator, 4in Saddle Mount, K8 Pulley, Case Ground","description":"\u003ch2\u003eHigh-Output 48V 100A Alternator for Marine and Off-Grid Charging\u003c\/h2\u003e\n\u003cp\u003eEngineered to meet the demands of large-capacity battery banks, this \u003cstrong\u003e96 Series 48V 100A alternator\u003c\/strong\u003e delivers substantial DC power directly from your propulsion or auxiliary engine. As mobile, off-grid, and marine electrical systems increasingly transition to high-voltage architectures for improved thermal efficiency, having a dedicated \u003cstrong\u003e48V charging source\u003c\/strong\u003e eliminates the inefficiencies and failure points associated with step-up voltage converters. Delivering up to 100A at 48V, this unit provides the high-wattage output required to rapidly replenish large lithium or deep-cycle house banks during engine run times.\u003c\/p\u003e\n\n\u003ch3\u003ePrecision Mounting and Serpentine Drive Integration\u003c\/h3\u003e\n\u003cp\u003eGenerating up to 4.8kW of charging power requires a secure, vibration-resistant mechanical interface and a robust belt drive system. This alternator features a standard \u003cstrong\u003e4-inch (approx. 101.6mm) J-180-style dual-foot saddle mount\u003c\/strong\u003e, distributing mechanical load evenly across the engine bracket to reduce the risk of alignment shift or bracket fatigue under heavy vibration. The unit comes equipped with an \u003cstrong\u003e8-groove serpentine pulley (K8)\u003c\/strong\u003e, providing the surface contact area necessary to drive a high-torque 48V rotor while minimising belt slippage, glazing and premature wear.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Efficiency 48V Output:\u003c\/strong\u003e Delivers up to 100A of native 48V charging current, ideal for rapidly recharging large lithium (LiFePO4) and AGM battery banks when paired with the Balmar MC-620 regulator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust 4-Inch Saddle Mount:\u003c\/strong\u003e Features a 4-inch (approx. 101.6mm) dual-foot saddle configuration for rigid, stable attachment to engines with a 4in J-180-style bracket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eK8 Serpentine Pulley:\u003c\/strong\u003e Fitted with an 8-rib serpentine pulley to handle the increased mechanical load of 48V power generation while minimising belt slip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Grounded Architecture:\u003c\/strong\u003e Simplifies negative return wiring in standard chassis-ground or negative-ground engine configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Frame, Mid-Duty Cycle:\u003c\/strong\u003e Balmar classes the 96 Series as a mid-duty cycle, large frame alternator, with a low 2,200 RPM cut-in speed for the 100A model.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Regulation:\u003c\/strong\u003e Designed for use with the Balmar MC-620 multi-stage regulator (sold separately), which needs a 12V supply (up to 20A).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Upgrade from Standard Automotive Alternators?\u003c\/h3\u003e\n\u003cp\u003eStandard factory alternators are designed for intermittent loads and low-amperage 12V starter battery maintenance. They are not built to charge a large 48V house bank. The large-frame \u003cstrong\u003e96 Series alternator\u003c\/strong\u003e is Balmar's dedicated 48V alternator, with low cut-in speeds that make more power at lower RPM and limit the need for complex pulley schemes or over-throttling the engine at idle.\u003c\/p\u003e\n\n\u003ch3\u003eUnderstanding Case Grounding\u003c\/h3\u003e\n\u003cp\u003eThis model utilises a \u003cstrong\u003ecase ground (negative ground)\u003c\/strong\u003e configuration, meaning the alternator housing itself acts as the negative electrical return path through the engine block. This simplifies installation in standard negative-ground setups by reducing the need for a dedicated heavy-gauge negative return cable directly from the alternator casing, provided the engine block is properly bonded to the main system ground. Always verify whether your specific vessel or vehicle requires an isolated ground or case ground system prior to installation.\u003c\/p\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCruising Vessels:\u003c\/strong\u003e Charging 48V house banks that run inverter loads, DC air conditioning and cooking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpedition Vehicles \u0026amp; Motorhomes:\u003c\/strong\u003e High-output engine-driven power generation for off-grid RVs and mobile workspaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOff-Grid Power Systems:\u003c\/strong\u003e Custom DC power generation setups requiring belt-driven 48V charging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUpgrade Your 48V Charging System\u003c\/h3\u003e\n\u003cp\u003eEnsure your high-voltage battery bank receives dependable, high-amperage charging whenever your engine is running. Confirm your engine bracket spacing and belt profile, and integrate the 96 Series 48V 100A alternator into your power system today.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43629763854397,"sku":"B-96-48-100-K8","price":6602.82,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/balmar-96-series-48v-100a-alternator-b-96-48-100-k8.jpg?v=1792490583"},{"product_id":"enerdrive-b-96-48-100-k8-ig","title":"Balmar 48V 100A 96 Series Alternator, 4in Saddle Mount, K8 Pulley, Isolated Ground","description":"\u003ch2\u003eHigh-Output 48V Power Generation for Marine and Off-Grid Systems\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBalmar 96 Series 48V 100A Alternator\u003c\/strong\u003e is engineered to meet the demanding energy requirements of modern marine vessels and specialised off-grid power systems. As more mobile and marine electrical architectures transition to 48V house battery banks to support high-draw appliances such as air conditioning, induction cooktops, and large inverter-chargers, generating reliable charging power directly from the engine becomes critical. Capable of delivering 100A at 48V, this unit provides 4.8kW of charging power, reducing engine run times and fuel consumption while rapidly replenishing large lithium (LiFePO4) or AGM battery banks.\u003c\/p\u003e\n\n\u003ch3\u003ePrecision Mounting and Serpentine Pulley Integration\u003c\/h3\u003e\n\u003cp\u003eThis alternator features a \u003cstrong\u003e4in (approx. 101.6mm) dual-foot saddle mount\u003c\/strong\u003e configuration, which Balmar calls a J-180-style mount. This wide mounting footprint distributes mechanical load evenly across the engine bracket, minimising vibration and misalignment risks under high-load conditions.\u003c\/p\u003e\n\u003cp\u003eTo handle the substantial torque required to generate 100A at 48V, the unit comes equipped with an \u003cstrong\u003e8-groove serpentine pulley (K8)\u003c\/strong\u003e. Standard V-belts often suffer from belt slip, premature wear, and belt dust when driving high-output 48V alternators. The K8 multi-ribbed serpentine pulley maximises surface contact and grip, ensuring efficient mechanical power transfer from the engine crank to the alternator rotor with minimal slippage.\u003c\/p\u003e\n\n\u003ch3\u003eIsolated Ground for Superior Corrosion Protection\u003c\/h3\u003e\n\u003cp\u003eIn marine installations—particularly on aluminium, steel, or composite hulls—stray current corrosion is a significant risk that can rapidly degrade underwater metals, propellers, and through-hull fittings. Unlike standard automotive alternators that use the chassis case as the negative return path, this 96 Series model features an \u003cstrong\u003eIsolated Ground (IsoGrd)\u003c\/strong\u003e architecture. By providing dedicated positive and negative terminal posts completely isolated from the alternator housing, it prevents the engine block and hull from becoming part of the electrical return path, safeguarding your vessel against galvanic and stray current corrosion.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features and Technical Advantages\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Power 48V Output:\u003c\/strong\u003e Delivers 100A nominal output at 48V, ideal for rapidly charging large-capacity 48V lithium or deep-cycle house banks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4in (Approx. 101.6mm) Saddle Mount:\u003c\/strong\u003e Dual-foot J-180-style mounting for engines with a 4in saddle bracket.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eK8 Serpentine Pulley:\u003c\/strong\u003e 8-groove serpentine belt profile reduces belt slippage under the torque load of 48V power generation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIsolated Ground Architecture:\u003c\/strong\u003e Dedicated ground terminal isolates the electrical circuit from the alternator case and engine block, critical for marine corrosion prevention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge Frame, Mid-Duty Cycle:\u003c\/strong\u003e Balmar classes the 96 Series as a mid-duty cycle, large frame alternator, with a low 2,200 RPM cut-in speed for the 100A model.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExternal Regulation:\u003c\/strong\u003e Designed for use with the Balmar MC-620 multi-stage regulator, which needs a 12V supply (up to 20A). Balmar's MC-TS-A and MC-TS-B temperature sensors are both required for lithium charging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSolving the Challenges of Standard Alternators\u003c\/h3\u003e\n\u003cp\u003eStandard factory-fitted alternators are designed for intermittent load profiles and often overheat or fail prematurely when subjected to the constant, high current draw of modern lithium battery systems. The Balmar 96 Series is a dedicated 48V alternator with low cut-in speeds that make more power at lower RPM, limiting the need for complex pulley schemes or over-throttling the engine at idle. Paired with the MC-620 regulator, it brings Balmar's multi-stage regulation to a 48V charging system, and the MC-620 disables lithium charging at battery temperatures of 0°C or below.\u003c\/p\u003e\n\n\u003ch3\u003eUpgrade Your 48V Charging System\u003c\/h3\u003e\n\u003cp\u003eEnsure your vessel or off-grid vehicle has the reliable, high-amperage charging capacity required to support your onboard electrical loads. Select the 96 Series 100A 48V Alternator to build a safer, more efficient engine-driven power generation system today.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43629767393341,"sku":"B-96-48-100-K8-IG","price":8230.63,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/balmar-96-series-alternator-100a-48v-b-96-48-100-k8-ig.jpg?v=1792490593"},{"product_id":"enerdrive-b-96-48-60-k6","title":"Balmar 48V 60A 96 Series Alternator, 4in Saddle Mount, K6 Pulley, Case Ground","description":"\u003ch2\u003eHigh-Output 48V Power Generation for Marine and Off-Grid Systems\u003c\/h2\u003e\n\u003cp\u003eUpgrading to a 48V electrical architecture significantly improves system efficiency by reducing current draw and minimising cable sizing requirements. The Balmar 96 Series 60A 48V Alternator is specifically engineered to support high-capacity 48V battery banks in marine and mobile applications. Delivering a robust 60A output at 48V (2.9kW of charging power), this unit rapidly replenishes large energy storage systems during engine operation.\u003c\/p\u003e\n\u003cp\u003eStandard automotive alternators are typically designed for intermittent loads, not for charging large deep-cycle house battery banks. Balmar classes the 96 Series as a mid-duty cycle, large frame alternator, with a low 1,325 RPM cut-in speed for the 60A model so it makes more power at lower RPM. It is designed for use with the Balmar MC-620 multi-stage regulator, which needs a 12V supply (up to 20A).\u003c\/p\u003e\n\n\u003ch3\u003ePrecision Mounting and Serpentine Drive Integration\u003c\/h3\u003e\n\u003cp\u003eMechanical compatibility is critical when upgrading engine room charging hardware. This model features a 4-inch (approx. 101.6mm) dual-foot saddle mount, which Balmar calls a J-180-style mount. This robust Dual Foot design distributes mechanical stress evenly across the engine bracket, minimising vibration and alignment issues.\u003c\/p\u003e\n\u003cp\u003eTo handle the increased mechanical load of generating 60A at 48V, the alternator comes equipped with a K6 serpentine pulley (2.7in diameter). Multi-groove serpentine belts provide superior grip surface area compared to traditional V-belts, significantly reducing belt slippage, glazing, and wear under heavy charging loads. The unit also utilises a case ground (negative ground) return path, simplifying wiring integration on standard negative-ground engines.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features and Technical Advantages\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Efficiency 48V Output:\u003c\/strong\u003e Delivers 60A at 48V to rapidly charge large lithium (LiFePO4) or AGM battery banks while reducing system amperage and heat dissipation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Inch (Approx. 101.6mm) Saddle Mount:\u003c\/strong\u003e J-180-style dual-foot configuration for engines with a 4in saddle bracket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eK6 Serpentine Pulley:\u003c\/strong\u003e 6-groove serpentine pulley maximises belt contact area to reduce slippage under high torque demands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Ground Architecture:\u003c\/strong\u003e Utilises the alternator chassis as the negative return path for straightforward integration into standard grounded engine blocks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Frame, Mid-Duty Cycle:\u003c\/strong\u003e Balmar classes the 96 Series as a mid-duty cycle, large frame alternator.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cp\u003eWhether you are fitting out a bluewater cruising vessel or an off-grid expedition vehicle, reliable engine-driven generation is an essential backup to solar and shore power. This 48V alternator is well suited for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMarine house battery charging systems\u003c\/li\u003e\n\u003cli\u003e48V lithium battery bank upgrades in large RVs, motorhomes, and overland trucks\u003c\/li\u003e\n\u003cli\u003eMobile workspaces requiring high-output auxiliary power\u003c\/li\u003e\n\u003cli\u003eHybrid marine and off-grid power generation setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUpgrade Your 48V Charging Capability\u003c\/h3\u003e\n\u003cp\u003eEnsure your high-capacity battery bank receives dependable, high-amperage charging whenever your engine is running. Add the 96 Series 60A 48V Alternator to your system configuration today for professional-grade power generation.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43629767426109,"sku":"B-96-48-60-K6","price":7684.94,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/96-48-60-K6-scaled.jpg?v=1792495811"},{"product_id":"enerdrive-b-96-48-60-k6-ig","title":"Balmar 48V 60A 96 Series Alternator, 4in Saddle Mount, K6 Pulley, Isolated Ground","description":"\u003ch2\u003eHigh-Output 48V Power Generation for Marine and Off-Grid Systems\u003c\/h2\u003e\u003cp\u003eUpgrading to a 48V electrical architecture significantly improves system efficiency by reducing current draw, minimising voltage drop, and allowing for smaller cable gauges across your installation. The \u003cstrong\u003eBalmar 96 Series 48V 60A Alternator\u003c\/strong\u003e is purpose-built to support 48V auxiliary battery banks in marine vessels and off-grid applications. Delivering 60A at 48V (2.9kW of charging power), this large-frame unit provides rapid, dependable energy replenishment directly from your engine.\u003c\/p\u003e\u003cp\u003eStandard automotive alternators are not built to charge large deep-cycle lithium (LiFePO4) or AGM battery banks. Balmar classes the 96 Series as a mid-duty cycle, large frame alternator, with a low 1,325 RPM cut-in speed for the 60A model so it makes more power at lower RPM.\u003c\/p\u003e\u003ch3\u003eKey Technical Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e48V 60A Output:\u003c\/strong\u003e Delivers 2.9kW of charging power to replenish 48V house battery banks during engine run times.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Inch (Approx. 101.6mm) Dual Foot Saddle Mount:\u003c\/strong\u003e J-180-style dual-foot mount for engines with a 4in saddle bracket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolated Ground (IsoGrd) Architecture:\u003c\/strong\u003e Features dedicated positive and negative terminals entirely isolated from the alternator casing, preventing stray current corrosion in metal-hulled vessels and protecting sensitive onboard electronics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eK6 Serpentine Pulley:\u003c\/strong\u003e Equipped with a 2.7in diameter 6-rib serpentine pulley for maximum belt contact area, reducing belt slippage under heavy mechanical loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Regulation:\u003c\/strong\u003e Designed for use with the Balmar MC-620 multi-stage regulator, which offers lithium (LiFePO4) and other battery profiles and needs a 12V supply (up to 20A).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePrecision Mounting and Belt Drive\u003c\/h3\u003e\u003cp\u003eMechanical reliability is critical when generating high-wattage DC power. This alternator uses a 4-inch (approx. 101.6mm) J-180-style dual foot saddle mount configuration, ensuring secure alignment and distributing mechanical stress evenly across the mounting bracket. To transfer the torque required to generate 60A at 48V with minimal belt slip, the unit comes fitted with a K6 multi-groove serpentine pulley.\u003c\/p\u003e\u003ch3\u003eIsolated Ground Protection for Marine and Mobile Use\u003c\/h3\u003e\u003cp\u003eIn marine environments and complex mobile installations, using the engine block or chassis as a return path can introduce significant risks, including galvanic corrosion, electrolysis, and electrical interference. The Isolated Ground (IsoGrd) design of this 96 Series alternator completely separates the internal electrical circuit from the outer aluminium housing. By requiring a dedicated negative return cable directly to the main system busbar, it safeguards aluminium or steel hulls and ensures clean power delivery for sensitive navigation and communication equipment.\u003c\/p\u003e\u003ch3\u003eUpgrade Your 48V Charging System\u003c\/h3\u003e\u003cp\u003eEquip your vessel or off-grid vehicle with a dedicated 48V charging solution for high-capacity battery banks. Order the Balmar 96 Series 48V 60A Alternator today to secure reliable, high-output engine charging for your electrical system.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43629767458877,"sku":"B-96-48-60-K6-IG","price":9185.06,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/96-48-60-K6-IG-scaled.jpg?v=1792495820"},{"product_id":"enerdrive-b-97xd-24-190","title":"Balmar 24V 190A 97XD Series Alternator, 4in Saddle Mount, K6 Pulley, Case Ground","description":"\u003ch2\u003eHigh-Output 24V Charging for Marine and Commercial Applications\u003c\/h2\u003e\u003cp\u003eDesigned for large diesel applications with extensive house battery loads, the \u003cstrong\u003e97XD Series 24V 190A Alternator\u003c\/strong\u003e delivers substantial charging power from an Extra-Large Case designed for extended-duty operation. When operating large battery banks or running high-draw auxiliary equipment, standard factory alternators often struggle to keep up, leading to thermal overload and premature component failure. Upgrading to a dedicated high-output alternator ensures your electrical system maintains optimal charge states, even at low engine RPMs.\u003c\/p\u003e\u003cp\u003eEngineered with a heavy-duty \u003cstrong\u003e4in (approx. 101.6mm)\u003c\/strong\u003e J-180-style dual-foot saddle mount, this unit provides exceptional mechanical stability and vibration resistance in harsh operating environments. It comes equipped with a K6 6-groove serpentine pulley for reliable belt engagement and uses a case ground configuration, making it suitable for systems that ground directly through the engine block or chassis.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Technical Advantages\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Output 24V Charging:\u003c\/strong\u003e Rated at 190A to rapidly replenish large-capacity lead-acid or lithium battery banks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4in (approx. 101.6mm) J-180-Style Saddle Mount:\u003c\/strong\u003e Provides superior mechanical stability and resists heavy engine vibration, reducing the risk of mounting bracket fatigue.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eK6 Serpentine Pulley Included:\u003c\/strong\u003e Ready for 6-groove serpentine belt systems, minimising belt slip under heavy electrical loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Ground Configuration:\u003c\/strong\u003e Simplifies wiring in negative-ground chassis systems by utilising the alternator housing as the negative return path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Regulation Required:\u003c\/strong\u003e Designed to be used with a Balmar multi-stage regulator (sold separately).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Upgrade to the 97XD Series?\u003c\/h3\u003e\u003cp\u003eStandard automotive or OEM alternators are typically designed for intermittent loads and limited duty cycles. When pushed to continuously charge large house battery banks, run heavy-duty winches, or power high-draw DC-to-AC inverters, standard units can quickly overheat. The \u003cstrong\u003e97XD Series\u003c\/strong\u003e is designed for extended-duty operation and uses braided-stator technology to deliver strong output at low RPM.\u003c\/p\u003e\u003cp\u003eBy upgrading to an extended-duty 24V alternator, you significantly reduce the risk of voltage drop, thermal shutdowns, and premature battery degradation caused by chronic undercharging. The included K6 (6-groove) pulley ensures efficient power transfer from the engine, though you should always verify belt compatibility and pulley alignment with your specific engine drive setup before installation.\u003c\/p\u003e\u003ch3\u003eVersatile Applications for Heavy-Duty 24V Systems\u003c\/h3\u003e\u003cp\u003eBecause this unit uses a \u003cstrong\u003ecase ground (negative ground)\u003c\/strong\u003e design, it suits electrical systems that use the engine block as the negative return path. However, for marine applications where an isolated ground is required to prevent galvanic corrosion, an isolated-ground alternator should be used instead. This case-ground 97XD Series alternator is ideal for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLarge diesel engines servicing extensive 24V house battery loads\u003c\/li\u003e\n\u003cli\u003eAuxiliary charging systems for large 24V lithium (LiFePO4) or AGM battery banks (an external multi-stage regulator is required, sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUpgrade Your 24V Charging System Today\u003c\/h3\u003e\u003cp\u003eEnsure your heavy-duty electrical system has the reliable charging capacity it needs to perform in demanding conditions. Add the 97XD Series 24V 190A Alternator to your setup today and experience dependable, high-amperage power generation for your large diesel application.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43629772177469,"sku":"B-97XD-24-190","price":4842.21,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/balmar-97xd-24v-190a-alternator-saddle-mount-b-97xd-24-190.png?v=1792490628"},{"product_id":"enerdrive-b-xt-df-170-sp","title":"Balmar 12V 170A XT Series Alternator, 3.15in Saddle Mount (No Pulley)","description":"\u003ch2\u003eHigh-Output 12V 170A Alternator for Marine and Off-Grid Power Systems\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eXT Series 170A 12V Alternator\u003c\/strong\u003e is engineered to deliver consistent, high-amperage charging performance for demanding auxiliary power systems. Designed for marine vessels, custom 4WDs, RVs and off-grid applications, this high-output alternator provides a significant upgrade over standard factory-fitted automotive units. With a substantial 170A output at 12V, it rapidly replenishes large deep-cycle and lithium (LiFePO4) house battery banks, reducing engine run times and improving overall system efficiency.\u003c\/p\u003e\u003ch3\u003eEngineered for Reliable High-Output Charging\u003c\/h3\u003e\u003cp\u003eStandard automotive alternators are typically designed for intermittent loads and can quickly overheat when subjected to the continuous high-current demands of modern lithium battery systems and high-powered inverters. The XT Series addresses these limitations with a braided-stator design and a dual-fan, high-airflow frame. By maintaining stable output under heavy loads, this unit helps reduce the risk of overheating, premature component failure, and unexpected power loss in remote locations.\u003c\/p\u003e\u003cp\u003eFeaturing a \u003cstrong\u003eHitachi-style 3.15-inch (approx. 80mm) dual-foot saddle mount\u003c\/strong\u003e configuration, this alternator offers exceptional mechanical stability. The dual-foot design distributes engine vibration and belt tension evenly across the mounting bracket, minimising mechanical stress and alignment issues common in high-vibration marine and off-road environments.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e170A High-Amperage Output:\u003c\/strong\u003e Delivers rapid charging capabilities for high-capacity 12V battery banks, ideal for supporting heavy DC loads and inverters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.15in (Approx. 80mm) Dual-Foot Mount:\u003c\/strong\u003e Hitachi-style mounting, which Balmar lists as typical for Yanmar, Westerbeke, Lehman and Perkins-Sabre engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomisable Drive Configuration:\u003c\/strong\u003e Supplied without a pulley, allowing system builders to select the exact drive ratio and belt profile required for their specific engine setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Fan Cooling:\u003c\/strong\u003e A high-airflow frame with dual fans helps manage heat during prolonged high-output charging.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePulley Selection and Compatibility\u003c\/h3\u003e\u003cp\u003ePlease note that this XT Series alternator is supplied \u003cstrong\u003ewithout a pulley\u003c\/strong\u003e to accommodate custom belt configurations and drive ratios. It accepts 17mm bore pulleys for Dual V or multi-groove serpentine belts. Depending on your engine's belt architecture, compatible pulley options include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0020:\u003c\/strong\u003e Pulley, Dual V 2.7in (approx. 68.6mm) x 1\/2in (approx. 12.7mm) DeepV, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0070:\u003c\/strong\u003e Pulley, K-6 2.45in (approx. 62.2mm) Serpentine 6-Rib, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-1310:\u003c\/strong\u003e Pulley, K-8 2.4in (approx. 61mm) Serpentine 8-Rib, 17mm Bore, Short (STD)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSelecting the correct pulley diameter and belt profile is essential for preventing belt slippage under heavy 170A loads and achieving optimal alternator RPM at low engine idle speeds.\u003c\/p\u003e\u003ch3\u003eUpgrade Your Charging System\u003c\/h3\u003e\u003cp\u003eWhether you are refitting a marine vessel for extended coastal cruising or building a dependable off-grid touring vehicle, the XT Series 170A 12V Alternator provides the robust electrical foundation your system requires. Pair this unit with the appropriate 17mm bore pulley and a compatible external regulator to build a tailored, high-efficiency charging solution for your energy storage system.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43629782433853,"sku":"B-XT-DF-170-SP","price":1420.85,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/XT-DF-170-K6.png?v=1792495840"},{"product_id":"enerdrive-b-xt-df-24-90-sp","title":"Balmar 24V 90A XT Series Alternator, 3.15in Saddle Mount (No Pulley)","description":"\u003ch2\u003eHigh-Output 24V Charging for Marine and Off-Grid Power Systems\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eXT Series 90A 24V Alternator\u003c\/strong\u003e is engineered to meet the demanding electrical requirements of modern marine vessels and off-grid auxiliary battery banks. Standard factory alternators are typically designed to maintain a single starter battery and often suffer from severe voltage drop or thermal failure when subjected to the prolonged, heavy load of charging deep-cycle house banks. The XT Series resolves this issue by providing robust charging capability for high-demand 24V DC electrical systems.\u003c\/p\u003e\n\n\u003ch3\u003eRigid Dual Foot Saddle Mounting\u003c\/h3\u003e\n\u003cp\u003eMechanical stability is vital in high-vibration engine bays and marine propulsion rooms. This alternator features a robust \u003cstrong\u003eHitachi-style 3.15in (approx. 80mm) dual foot saddle mount\u003c\/strong\u003e. The dual foot design spreads mounting loads across the engine bracket to help maintain belt alignment.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDedicated 24V 90A Output:\u003c\/strong\u003e Delivers substantial charging amperage to efficiently replenish large 24V house battery banks, reducing engine or generator run-time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.15in (Approx. 80mm) Dual Foot Mount:\u003c\/strong\u003e Ensures secure, vibration-resistant attachment to compatible 3.15in saddle brackets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomisable Drive Interface:\u003c\/strong\u003e Supplied without a pulley (17mm shaft bore), allowing you to match the exact belt profile and drive ratio of your engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Fan Cooling:\u003c\/strong\u003e A high-airflow frame with dual fans helps manage heat during deep-cycle and lithium battery charging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgrade Over Standard Units:\u003c\/strong\u003e Mitigates the risk of thermal overload and premature component failure during bulk charging phases.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Exclusion: Pulley Sold Separately\u003c\/h3\u003e\n\u003cp\u003eTo ensure seamless integration with various engine drive configurations, \u003cstrong\u003ethis alternator is supplied without a pulley\u003c\/strong\u003e. This allows system builders and marine electricians to select the precise drive profile required for their specific belt setup, eliminating the need to remove and discard an incompatible pre-installed pulley.\u003c\/p\u003e\n\n\u003ch4\u003eCompatible 17mm Bore Pulley Options:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0020:\u003c\/strong\u003e Pulley, Dual V 2.7in (approx. 68.6mm) x 1\/2in (approx. 12.7mm) DeepV, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0070:\u003c\/strong\u003e Pulley, K-6 2.45in (approx. 62.2mm) Serpentine 6-Rib, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-1310:\u003c\/strong\u003e Pulley, K-8 2.4in (approx. 61mm) Serpentine 8-Rib, 17mm Bore, Short (STD)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBuilt for Reliable Energy Autonomy\u003c\/h3\u003e\n\u003cp\u003eWhen paired with appropriate regulation and the correct pulley for your engine, the XT Series 90A 24V alternator reduces the risk of undercharged batteries and electrical system downtime. It is an ideal solution for upgrading auxiliary charging systems in cruising yachts and expedition vehicles operating on 24V DC systems.\u003c\/p\u003e\n\n\u003ch3\u003eConfigure Your Charging System\u003c\/h3\u003e\n\u003cp\u003eSelect the compatible 17mm bore pulley from the options above to match your engine belt profile and add the XT Series 90A 24V Alternator to your system build today.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43629782466621,"sku":"B-XT-DF-24-90-SP","price":1464.09,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/XT-DF-170-K6_4abda915-94ab-4b2d-9060-b661676b1ef9.png?v=1792495848"},{"product_id":"enerdrive-b-xt-df-250-sp","title":"Balmar 12V 250A XT Series Alternator, 3.15in Saddle Mount (No Pulley)","description":"\u003ch2\u003eHigh-Output 250A 12V Charging Power for Demanding Off-Grid and Marine Systems\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eXT Series 250A 12V Alternator\u003c\/strong\u003e is engineered to meet the energy demands of modern marine vessels and off-grid recreational setups. Featuring a robust 3.15in (approx. 80mm) dual foot saddle mount, this high-output alternator is designed as a charging upgrade for engines requiring substantial DC power generation. Whether you are running large inverter loads, air conditioning, or rapidly recharging a high-capacity lithium (LiFePO4) battery bank, the XT Series delivers consistent, reliable amperage where standard automotive alternators fall short.\u003c\/p\u003e\u003ch3\u003eSolving the Challenges of High-Load Battery Charging\u003c\/h3\u003e\u003cp\u003eStandard factory alternators are typically designed for intermittent loads and can quickly overheat and fail when subjected to the continuous, low-resistance charge acceptance of large AGM or lithium house battery banks. Its braided-stator design and dual-fan, high-airflow frame help reduce the risk of overheating and premature component failure. By upgrading to a dedicated high-output alternator, you reduce engine run-time required for battery charging, saving fuel and minimising engine wear during off-grid stays or at anchor.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMassive 250A Output at 12V:\u003c\/strong\u003e Provides rapid bulk charging for large deep-cycle and lithium battery banks, significantly reducing generator or main engine run times.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.15in (Approx. 80mm) Dual Foot Mount:\u003c\/strong\u003e Hitachi-style mounting, which Balmar lists as typical for Yanmar, Westerbeke, Lehman and Perkins-Sabre engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomisable Drive Configuration:\u003c\/strong\u003e Supplied without a pulley, allowing you to match the exact belt profile and drive ratio required by your specific engine setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Fan Cooling:\u003c\/strong\u003e A high-airflow frame with dual fans helps manage heat during heavy charging.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePulley Selection and Compatibility\u003c\/h3\u003e\u003cp\u003ePlease note that this unit is supplied \u003cstrong\u003ewithout a pulley\u003c\/strong\u003e to allow for custom configuration based on your engine's belt drive system. It features a standard 17mm shaft bore, compatible with the following pulley options depending on your belt style:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0020:\u003c\/strong\u003e Pulley, Dual V 2.7in (approx. 68.6mm) x 1\/2in (approx. 12.7mm) DeepV, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0070:\u003c\/strong\u003e Pulley, K-6 2.45in (approx. 62.2mm) (Serpentine 6 Rib), 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-1310:\u003c\/strong\u003e Pulley, K-8 2.4in (approx. 61mm) (Serpentine 8 Rib), 17mm Bore, Short (STD)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\u003cp\u003eThis 250A 12V alternator is an exceptional choice for system builders and technicians working on:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine Vessels:\u003c\/strong\u003e Yachts and cruisers needing fast replenishment of house batteries between anchorages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecreational Vehicles:\u003c\/strong\u003e Motorhomes, 4WD expedition vehicles, and overland trucks running high-draw 12V appliances.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUpgrade Your Engine's Charging Capability\u003c\/h3\u003e\u003cp\u003eTake control of your off-grid or marine power generation with a purpose-built charging solution. Select the appropriate pulley from the options above and add the XT Series 250A 12V Alternator to your system today for dependable, high-capacity energy on every journey.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43629782499389,"sku":"B-XT-DF-250-SP","price":1746.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/XT-DF-250-K6-scaled.jpg?v=1792495856"},{"product_id":"enerdrive-b-xt-df4-170-sp","title":"Balmar 12V 170A XT Series Alternator, 4in Saddle Mount (No Pulley)","description":"\u003ch2\u003eHigh-Output 12V 170A Alternator for Marine and Off-Grid Power Systems\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eXT Series 170A 12V Alternator\u003c\/strong\u003e is engineered to meet the demanding electrical requirements of modern marine vessels and off-grid expedition vehicles. Featuring a robust 4-inch (approx. 101.6mm) dual foot saddle mount, this high-output alternator provides a substantial upgrade over standard factory units. It is specifically designed to support rapid recharging of large house battery banks, including deep-cycle AGM and Lithium (LiFePO4) systems, ensuring your essential onboard electronics and appliances remain powered.\u003c\/p\u003e\u003ch3\u003eEngineered for High-Output Charging\u003c\/h3\u003e\u003cp\u003eStandard automotive alternators often struggle and overheat when subjected to the continuous high-load demands of lithium battery banks or heavy inverter usage. The XT Series addresses this with a braided-stator design and a dual-fan, high-airflow frame. By upgrading to a dedicated high-amperage alternator, you significantly reduce engine run-time required to replenish depleted batteries, saving fuel and minimising engine wear during off-grid or marine operations.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh 170A Output at 12V:\u003c\/strong\u003e Delivers substantial charging current to rapidly replenish large-capacity battery banks and run heavy DC loads simultaneously.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4in (Approx. 101.6mm) Dual Foot Mount:\u003c\/strong\u003e J-180 saddle mounting, which Balmar lists as typical for John Deere, Cummins and Caterpillar engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomisable Drive Setup (No Pulley Included):\u003c\/strong\u003e Supplied with a bare 17mm shaft, allowing you to fit the Dual V or multi-groove serpentine pulley required for your specific engine belt geometry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Resilience:\u003c\/strong\u003e Built to handle the elevated thermal stresses associated with charging low-internal-resistance batteries like LiFePO4 when paired with an appropriate external regulator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced System Risk:\u003c\/strong\u003e Mitigates the risk of stator burnout and premature failure commonly experienced by stock alternators pushed beyond their duty cycle limits.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eImportant Configuration Notes and Exclusions\u003c\/h3\u003e\u003cp\u003ePlease note that this unit is supplied \u003cstrong\u003ewithout a pulley\u003c\/strong\u003e to allow for custom drive matching. Depending on your engine's belt configuration, compatible 17mm bore pulley options include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0020:\u003c\/strong\u003e Pulley, Dual V 2.7in (approx. 68.6mm) x 1\/2in (approx. 12.7mm) DeepV, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0070:\u003c\/strong\u003e Pulley, K-6 2.45in (approx. 62.2mm) Serpentine 6-Rib, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-1310:\u003c\/strong\u003e Pulley, K-8 2.4in (approx. 61mm) Serpentine 8-Rib, 17mm Bore, Short (STD)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\u003cp\u003eWhether you are refitting a cruising yacht or building an overland truck, the XT Series 170A alternator delivers reliable, high-density power generation. Its 4-inch (approx. 101.6mm) J-180 dual foot mount suits engines and brackets designed for this mounting style; confirm fit and belt alignment before ordering.\u003c\/p\u003e\u003ch3\u003eUpgrade Your Charging Capacity\u003c\/h3\u003e\u003cp\u003eConfigure your ideal engine-driven charging system by pairing the XT Series 170A 12V Alternator with the appropriate 17mm bore pulley for your vessel or vehicle today.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43629783941181,"sku":"B-XT-DF4-170-SP","price":1438.35,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/XT-DF4-170-K6.png?v=1792495864"},{"product_id":"enerdrive-b-xt-df4-24-90-sp","title":"Balmar 24V 90A XT Series Alternator, 4in Saddle Mount (No Pulley)","description":"\u003ch2\u003eHigh-Output 24V Charging for Marine and Off-Grid Battery Banks\u003c\/h2\u003e\u003cp\u003eUpgrading your vessel or vehicle's charging system requires an alternator matched to your battery bank and electrical loads. The \u003cstrong\u003eXT Series 24V 90A Alternator\u003c\/strong\u003e is engineered for demanding marine and mobile power systems. Featuring a robust 4-inch (approx. 101.6mm) dual foot saddle mount, this unit provides a high-output upgrade for charging large deep-cycle or lithium house battery banks.\u003c\/p\u003e\u003ch3\u003eSolving the Limitations of Standard Alternators\u003c\/h3\u003e\u003cp\u003eStandard automotive alternators are designed primarily to replenish starter batteries and run basic vehicle electronics. When tasked with charging deeply depleted 24V house banks, standard units often suffer from rapid thermal degradation, voltage drop, and premature component failure. This XT Series unit mitigates those risks with a braided-stator design and a dual-fan, high-airflow frame, reducing the risk of unexpected power loss in remote off-grid or offshore environments.\u003c\/p\u003e\u003ch3\u003eCustomisable Drive Configuration (No Pulley Included)\u003c\/h3\u003e\u003cp\u003eTo ensure exact compatibility with your specific engine belt geometry and drive ratio requirements, \u003cstrong\u003ethis alternator is supplied without a pulley\u003c\/strong\u003e. This allows system builders and marine mechanics to select the precise pulley profile needed for their engine setup, preventing belt slippage and optimising charging performance at both idle and cruising speeds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible 17mm Bore Pulley Options (Sold Separately):\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0020:\u003c\/strong\u003e Pulley, Dual V 2.7in x 1\/2in (approx. 68.6mm x 12.7mm) DeepV, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0070:\u003c\/strong\u003e Pulley, K-6 2.45in (approx. 62.2mm) Serpentine 6-Rib, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-1310:\u003c\/strong\u003e Pulley, K-8 2.4in (approx. 61mm) Serpentine 8-Rib, 17mm Bore, Short (STD)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features and System Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e90A at 24V Output:\u003c\/strong\u003e Delivers substantial charging power to rapidly replenish large-capacity 24V battery banks, reducing engine or generator run-time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Inch (Approx. 101.6mm) Dual Foot Mount:\u003c\/strong\u003e J-180 mount, which Balmar lists as typical for John Deere, Cummins and Caterpillar engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Fan Cooling:\u003c\/strong\u003e A high-airflow frame with dual fans helps manage heat during extended charging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible System Integration:\u003c\/strong\u003e Ideal for pairing with external multi-stage alternator regulators to safely and efficiently charge AGM, Gel, or LiFePO4 battery chemistries.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\u003cp\u003eThis 24V alternator suits recreational 24V DC power generation setups such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMarine engines with 24V house systems\u003c\/li\u003e\n\u003cli\u003eCustom expedition vehicles and motorhomes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eConfigure Your Charging System\u003c\/h3\u003e\u003cp\u003eEnsure your 24V battery bank receives consistent, dependable power when under way. Select the appropriate 17mm bore pulley for your engine drive belt and integrate the XT Series 90A Alternator into your electrical system today.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43629783973949,"sku":"B-XT-DF4-24-90-SP","price":1508.36,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/XT-DF4-24-90-K6.png?v=1792495873"},{"product_id":"enerdrive-b-xt-df4-250-sp","title":"Balmar 12V 250A XT Series Alternator, 4in Saddle Mount (No Pulley)","description":"\u003ch2\u003eHigh-Output 250A 12V Charging Power for Marine and Off-Grid Systems\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eXT Series 250A 12V Alternator\u003c\/strong\u003e is engineered for demanding electrical systems where standard automotive alternators fall short. Featuring a robust 4in (approx. 101.6mm) dual foot saddle mount, this high-output unit is designed to deliver substantial amperage to large house battery banks in marine vessels and off-grid expedition rigs. Supplied without a pulley, it allows system builders and marine electricians to configure the exact drive interface required for their specific engine setup.\u003c\/p\u003e\u003ch3\u003eSolving the Challenges of High-Capacity Battery Charging\u003c\/h3\u003e\u003cp\u003eModern auxiliary power systems, particularly those utilising large lithium (LiFePO4), AGM, or gel battery banks, place immense continuous loads on charging components. Standard factory alternators are typically designed for intermittent loads and can rapidly overheat or fail when subjected to the constant high-load demands of deep-cycle battery charging. The XT Series reduces the risk of overheating and premature component failure with a braided-stator design and a dual-fan, high-airflow frame.\u003c\/p\u003e\u003ch3\u003eCustomisable Drive Configuration (Pulley Excluded)\u003c\/h3\u003e\u003cp\u003eBecause engine belt configurations vary significantly across marine diesels and custom vehicle installations, this unit is supplied bare, without a pulley. This ensures you do not pay for an incompatible factory pulley and allows seamless integration with either Dual V-belt or multi-groove serpentine belt systems. Select from the following compatible 17mm bore pulleys (sold separately) to match your engine's drive ratio and belt profile:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0020:\u003c\/strong\u003e Pulley, Dual V 2.7in (approx. 68.6mm) x 1\/2in (approx. 12.7mm) DeepV, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0070:\u003c\/strong\u003e Pulley, K-6 2.45in (approx. 62.2mm) Serpentine 6-Rib, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-1310:\u003c\/strong\u003e Pulley, K-8 2.4in (approx. 61mm) Serpentine 8-Rib, 17mm Bore, Short (Standard)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features and System Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Amperage 250A Output:\u003c\/strong\u003e Rapidly replenishes depleted 12V battery banks, reducing engine run-time and fuel consumption during charging cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4in (Approx. 101.6mm) Dual Foot Mount:\u003c\/strong\u003e Provides exceptional mechanical stability and alignment, reducing vibration-induced wear in rough marine or off-road environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Drive Adaptability:\u003c\/strong\u003e Ready to accept specialised 17mm bore serpentine or Dual V pulleys to prevent belt slippage under heavy 250A mechanical loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Fan Cooling:\u003c\/strong\u003e A high-airflow frame with dual fans helps manage heat in warm engine rooms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for Lithium Battery Banks:\u003c\/strong\u003e Ideal for pairing with external multi-stage alternator regulators to safely charge high-density lithium battery banks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\u003cp\u003eWhether you are upgrading an auxiliary charging system on a cruising yacht or building an overland vehicle with extensive 12V appliances, the XT Series provides dependable power generation. Its 4in J-180 dual foot (saddle) mount is listed by Balmar as typical for John Deere, Cummins and Caterpillar engines; confirm fit before ordering.\u003c\/p\u003e\u003ch3\u003eConfigure Your High-Output Charging System\u003c\/h3\u003e\u003cp\u003eUpgrade your vessel or vehicle's electrical reliability with the XT Series 250A 12V Alternator, and be sure to select the matching 17mm bore pulley and external regulation components required for your specific engine installation.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43629784072253,"sku":"B-XT-DF4-250-SP","price":1775.03,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/XT-DF4-250-K6-scaled.jpg?v=1792495881"},{"product_id":"enerdrive-b-xt-sf-170-sp","title":"Balmar 12V 170A XT Series Alternator, Single Foot Mount (No Pulley)","description":"\u003ch2\u003eHigh-Output 12V Charging Power for Marine and Off-Grid Systems\u003c\/h2\u003e\u003cp\u003eWhen your vessel, expedition vehicle, or heavy-duty off-grid setup demands rapid battery replenishment, a standard automotive charging system often struggles to keep up. The XT Series 170A 12V Alternator is engineered for the high-load demands of large house battery banks, including modern lithium (LiFePO4) and deep-cycle AGM configurations. Featuring a compact, small-case frame and a 1-2 inch (approx. 25.4mm or 50.8mm) single foot (spindle) mount, this high-output alternator delivers substantial amperage where engine bay space is at a premium.\u003c\/p\u003e\u003ch3\u003eWhy Upgrade to a Dedicated High-Output Alternator?\u003c\/h3\u003e\u003cp\u003eStandard factory alternators are primarily designed to maintain starting batteries and run basic vehicle electronics. When subjected to the prolonged, heavy absorption loads of depleted auxiliary battery banks, standard units frequently overheat, experience severe voltage drop, or fail prematurely. Upgrading to the XT Series solves these thermal and electrical challenges:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Amperage Output:\u003c\/strong\u003e Capable of delivering up to 170A at 12V, significantly reducing engine run-time required to recharge large auxiliary battery banks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Management:\u003c\/strong\u003e Dual-fan cooling and a high-airflow frame help manage heat in enclosed marine engine rooms and tight 4WD engine bays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Mounting Geometry:\u003c\/strong\u003e The 1-2 inch spindle mount suits 1in Motorola-style and 2in Delco-style single foot brackets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Drive Adaptability:\u003c\/strong\u003e Supplied without a pulley, allowing you to match the exact belt profile and drive ratio required for your specific engine setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Ready® Technology:\u003c\/strong\u003e Balmar's Smart Ready internal regulator technology adds a level of fault tolerance for cruising boaters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eImportant Exclusion: Pulley Required for Installation\u003c\/h3\u003e\u003cp\u003eTo ensure seamless integration with various engine drive belt configurations, \u003cstrong\u003ethis XT Series alternator is supplied without a pulley\u003c\/strong\u003e. Selecting the correct pulley profile and diameter is critical to prevent belt slippage and to optimise the alternator's rotational speed (RPM) for idle and cruising outputs. All compatible pulleys listed below feature a 17mm bore to suit this unit's shaft:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0020:\u003c\/strong\u003e Pulley, Dual V 2.7 inch (approx. 68.6mm) x 1\/2 inch (approx. 12.7mm) DeepV, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0070:\u003c\/strong\u003e Pulley, K-6 2.45 inch (approx. 62.2mm) Serpentine 6-Rib, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-1310:\u003c\/strong\u003e Pulley, K-8 2.4 inch (approx. 61.0mm) Serpentine 8-Rib, 17mm Bore, Short (STD)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEngineered for Demanding Applications\u003c\/h3\u003e\u003cp\u003eWhether you are fitting out a bluewater cruising yacht or building a remote touring 4WD, reliable DC power generation is critical. By pairing this 170A 12V alternator with an appropriate external regulator and your chosen drive pulley, you can safely maximise charge acceptance rates for lithium and AGM battery banks alike. This reduces fuel consumption, lowers engine wear from excessive idling, and ensures your onboard refrigeration, inverters, and navigation electronics remain powered.\u003c\/p\u003e\u003ch3\u003eUpgrade Your Engine's Charging Capability\u003c\/h3\u003e\u003cp\u003eConfigure your ideal engine-driven charging system today. Select the XT Series 170A 12V Alternator along with your matching 17mm bore pulley to achieve dependable, high-capacity power generation on your next voyage or off-grid deployment.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43629786136637,"sku":"B-XT-SF-170-SP","price":1369.37,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/balmar-xt-series-170a-12v-alternator-b-xt-sf-170-sp.jpg?v=1792490673"},{"product_id":"enerdrive-b-xt-sf-24-90-sp","title":"Balmar 24V 90A XT Series Alternator, Single Foot Mount (No Pulley)","description":"\u003ch2\u003eHigh-Output 24V Charging for Marine and Off-Grid Power Systems\u003c\/h2\u003e\u003cp\u003eUpgrading your vessel or off-grid vehicle's charging system requires components matched to its electrical loads. The \u003cstrong\u003eXT Series 90A 24V Alternator\u003c\/strong\u003e is engineered for demanding marine and RV applications where standard automotive units often fail due to heat exhaustion. Featuring a small case frame with a 1-2in (approx. 25.4mm or 50.8mm) single foot (spindle) mount, this high-output alternator delivers reliable energy generation to keep your auxiliary battery banks fully charged.\u003c\/p\u003e\u003ch3\u003eWhy Upgrade to a High-Output XT Series Alternator?\u003c\/h3\u003e\u003cp\u003eStandard factory alternators are typically designed to maintain a starting battery and run basic vehicle electronics, rather than recharging deep-cycle house banks. When subjected to the constant high-amperage demands of lithium (LiFePO4) or large AGM battery banks, standard units can rapidly overheat, leading to premature failure and system downtime. The XT Series addresses this with a braided-stator design and a dual-fan, high-airflow frame, significantly reducing the risk of power loss in remote locations or out at sea.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust 24V 90A Output:\u003c\/strong\u003e Delivers consistent amperage to efficiently replenish depleted 24V house battery banks, reducing engine run time and fuel consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Foot (SF) Mounting:\u003c\/strong\u003e Features a 1-2in spindle mount that suits 1in Motorola-style and 2in Delco-style single foot brackets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomisable Drive Interface:\u003c\/strong\u003e Supplied without a pulley, allowing you to match the exact belt profile and ratio required for your specific engine setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Fan Cooling:\u003c\/strong\u003e A high-airflow frame with dual fans helps manage heat in warm engine rooms.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eImportant Exclusion: Pulley Sold Separately\u003c\/h3\u003e\u003cp\u003eTo ensure seamless integration with your existing engine belt configuration, \u003cstrong\u003ethis alternator is supplied without a pulley\u003c\/strong\u003e. Because engines use varying belt widths and styles, purchasing the pulley separately ensures correct alignment and prevents belt slippage or premature wear. The unit features a standard 17mm shaft bore and is compatible with the following pulley options:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0020:\u003c\/strong\u003e Pulley, Dual V 2.7in (approx. 68.6mm) x 1\/2in (approx. 12.7mm) DeepV, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0070:\u003c\/strong\u003e Pulley, K-6 2.45in (approx. 62.2mm) (Serpentine 6-Rib), 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-1310:\u003c\/strong\u003e Pulley, K-8 2.4in (approx. 61mm) (Serpentine 8-Rib), 17mm Bore, Short (STD)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEngineered for Demanding Applications\u003c\/h3\u003e\u003cp\u003eWhether you are fitting out a bluewater cruiser or upgrading an expedition vehicle, reliable 24V power generation is critical. By pairing this XT Series alternator with the appropriate pulley and an external regulator (where applicable), you can achieve a tailored charging profile that maximises battery lifespan and system efficiency.\u003c\/p\u003e\u003cp\u003eSelect the compatible 17mm bore pulley from the options above and upgrade your 24V engine charging system today for dependable off-grid performance.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43629786169405,"sku":"B-XT-SF-24-90-SP","price":1438.35,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/balmar-xt-series-90a-24v-alternator-b-xt-sf-24-90-sp.jpg?v=1792490742"},{"product_id":"enerdrive-b-xt-sf-250-sp","title":"Balmar 12V 250A XT Series Alternator, Single Foot Mount (No Pulley)","description":"\u003ch2\u003eHigh-Output 250A 12V Charging Power for Demanding Electrical Systems\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eXT Series 250A 12V Alternator\u003c\/strong\u003e is engineered to meet the high energy demands of modern marine vessels and off-grid expedition builds. Featuring a 1-2in (Approx. 25.4mm or 50.8mm) single foot (spindle) mount, this high-output alternator is designed as a robust power generation upgrade for systems running large auxiliary battery banks, high-draw inverters, and critical onboard electronics.\u003c\/p\u003e\u003cp\u003eStandard factory alternators are typically designed for intermittent loads and often suffer from rapid thermal degradation when tasked with charging low-impedance lithium (LiFePO4) or large AGM battery banks. The XT Series mitigates the risk of overheating and premature component failure with a braided-stator design and a dual-fan, high-airflow frame, ensuring reliable power generation when you are far from shore power or the grid.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstantial 250A Output at 12V:\u003c\/strong\u003e Delivers rapid bulk charging to large house battery banks, significantly reducing engine run-time and fuel consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Foot (SF) Mount:\u003c\/strong\u003e 1-2in spindle mount suits 1in Motorola-style and 2in Delco-style single foot brackets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomisable Drive Configuration:\u003c\/strong\u003e Supplied without a pulley to allow precise matching to your engine's specific belt drive system and ratio requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Fan Cooling:\u003c\/strong\u003e A high-airflow frame with dual fans helps manage heat when charging large lithium and AGM banks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e17mm Shaft Bore Compatibility:\u003c\/strong\u003e Accepts a range of Dual V and multi-rib serpentine pulleys for seamless integration into existing setups.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Upgrade to a High-Output XT Series Alternator?\u003c\/h3\u003e\u003cp\u003eUpgrading your battery storage capacity requires a corresponding upgrade in charging capability. Attempting to charge a high-capacity lithium system with an OEM-grade alternator places immense strain on the stator and rectifier, often leading to system failure in remote locations. The XT Series 250A alternator solves this problem by providing additional charging headroom. By pairing this unit with an appropriate external voltage regulator, users can safely optimise charge profiles for their battery chemistry.\u003c\/p\u003e\u003ch3\u003eImportant Exclusions and Compatible Pulley Options\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e This alternator is supplied \u003cstrong\u003ewithout a pulley\u003c\/strong\u003e to accommodate custom engine configurations. To complete your installation, select one of the compatible 17mm bore pulleys listed below based on your belt drive type:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0020:\u003c\/strong\u003e Pulley, Dual V 2.7in (Approx. 68.6mm) x 1\/2in (Approx. 12.7mm) DeepV, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0070:\u003c\/strong\u003e Pulley, K-6 2.45in (Approx. 62.2mm) Serpentine 6-Rib, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-1310:\u003c\/strong\u003e Pulley, K-8 2.4in (Approx. 61mm) Serpentine 8-Rib, 17mm Bore, Short (STD)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine Vessels:\u003c\/strong\u003e Yachts and cruisers requiring rapid replenishment of house banks during short motoring intervals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4WD and Expedition Vehicles:\u003c\/strong\u003e Overland builds with custom dual-alternator brackets powering air conditioning, induction cooktops, and large inverters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUpgrade Your Onboard Power Generation\u003c\/h3\u003e\u003cp\u003eConfigure your custom charging system with the XT Series 250A 12V Single Foot Alternator and select the matching 17mm bore pulley for your engine drive to ensure dependable, high-capacity power delivery on every journey.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43629786202173,"sku":"B-XT-SF-250-SP","price":1774.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/balmar-xt-series-250a-12v-alternator-b-xt-sf-250-sp.jpg?v=1792490707"},{"product_id":"enerdrive-b-60-100-sp","title":"Balmar 12V 100A 60 Series Alternator, 3.15in Saddle Mount, Isolated Ground (No Pulley)","description":"\u003ch2\u003eHigh-Output 60 Series 12V 100A Marine and Off-Grid Alternator\u003c\/h2\u003e\u003cp\u003eUpgrading your vessel's charging system is essential when managing large house battery banks and demanding DC loads. The \u003cstrong\u003e60 Series 100A 12V Alternator\u003c\/strong\u003e is built to deliver high-amperage charging performance where standard automotive units fall short. Featuring a \u003cstrong\u003e3.15in (approx. 80mm) Hitachi-style dual-foot saddle mount\u003c\/strong\u003e and an \u003cstrong\u003eisolated ground configuration\u003c\/strong\u003e, this high-output alternator provides reliable energy generation for recreational marine and off-grid applications.\u003c\/p\u003e\u003ch3\u003eDesigned for Recreational Applications\u003c\/h3\u003e\u003cp\u003eStandard automotive alternators are designed primarily to maintain a starting battery and handle intermittent loads. The 60 Series is part of Balmar's 6-Series, which delivers high output in a compact, small-case package with dual fan cooling and a high airflow frame. Balmar designs its 6-Series alternators for recreational applications and describes them as ideal for modest charging upgrades. Its Smart Ready internal regulator may be sufficient where battery loads are relatively small and the engine runs frequently. For larger deep-cycle battery banks, or where the engine runs less often (as on most sailing vessels), pair it with a Balmar ARS-5 or Max Charge multi-stage regulator.\u003c\/p\u003e\u003ch3\u003eIsolated Ground Protection for Marine Vessels\u003c\/h3\u003e\u003cp\u003eIn marine environments, electrical integrity is critical. This unit features an \u003cstrong\u003eIsolated Ground (IsoGrd)\u003c\/strong\u003e design, meaning the alternator's internal ground circuit is completely separated from its outer aluminium casing. Using an isolated ground alternator prevents stray DC currents from travelling through the engine block and hull, effectively mitigating the risk of galvanic corrosion, electrolysis, and damage to sensitive onboard electronics.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100A Output at 12V:\u003c\/strong\u003e Delivers substantial charging current to rapidly replenish depleted auxiliary and house battery banks, reducing engine runtime.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.15in (Approx. 80mm) Saddle Mount:\u003c\/strong\u003e Hitachi-style dual-foot mount, typical for Yanmar, Westerbeke, Lehman and Perkins-Sabre engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolated Ground Architecture:\u003c\/strong\u003e Dedicated positive and negative terminal posts prevent stray current corrosion in metal-hulled vessels and composite marine installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomisable Drive Interface:\u003c\/strong\u003e Supplied bare (without a pulley) to suit 17mm bore pulleys, allowing you to configure the exact belt profile required for your specific engine setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eImportant Exclusion: Pulley Sold Separately\u003c\/h3\u003e\u003cp\u003eTo ensure seamless integration with various engine belt configurations, \u003cstrong\u003ethis alternator is supplied without a pulley\u003c\/strong\u003e. Depending on whether your engine utilises a traditional V-belt or a modern multi-rib serpentine conversion, you must select and install one of the compatible 17mm bore pulleys listed below:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0010:\u003c\/strong\u003e Pulley, Single V, 2.7in x 1\/2in (Approx. 68.6mm x 12.7mm) DeepV, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0020:\u003c\/strong\u003e Pulley, Dual V, 2.7in x 1\/2in (Approx. 68.6mm x 12.7mm) DeepV, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0070:\u003c\/strong\u003e Pulley, K-6 2.45in (Approx. 62.2mm) Serpentine 6-Rib, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-1310:\u003c\/strong\u003e Pulley, K-8 2.4in (Approx. 61mm) Serpentine 8-Rib, 17mm Bore, Short (STD)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUpgrade Your Auxiliary Charging System\u003c\/h3\u003e\u003cp\u003eWhether you are refitting a cruising yacht or building a custom auxiliary charging system, the 60 Series 100A Alternator delivers the electrical stability and durability your battery bank requires. Pair this unit with the appropriate 17mm bore pulley for your engine drive and secure dependable DC power generation for your next voyage or off-grid project.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43631386361917,"sku":"B-60-100-SP","price":1259.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/balmar-60-series-100a-12v-alternator-b-60-100-sp.png?v=1792490428"},{"product_id":"enerdrive-b-60-120-sp","title":"Balmar 12V 120A 60 Series Alternator, 3.15in Saddle Mount, Isolated Ground (No Pulley)","description":"\u003ch2\u003eHigh-Output 60 Series 12V 120A Isolated Ground Alternator\u003c\/h2\u003e\n\u003cp\u003eUpgrade your marine or off-grid mobile power generation with the \u003cstrong\u003e60 Series 12V 120A Alternator\u003c\/strong\u003e. This high-output alternator delivers reliable, high-amperage charging to keep your auxiliary battery banks topped up. Featuring a 3.15in (Approx. 80mm) Hitachi-style dual-foot saddle mount, it is a high-performance upgrade for engines with this mounting style, typical for Yanmar, Westerbeke, Lehman and Perkins-Sabre engines.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose an Isolated Ground Alternator?\u003c\/h3\u003e\n\u003cp\u003eStandard automotive alternators use the engine block and chassis as the electrical return path. In marine vessels and specialised composite-body vehicles, this can lead to severe galvanic corrosion, stray current issues, and interference with sensitive onboard electronics. This 60 Series unit features a dedicated \u003cstrong\u003eIsolated Ground (IsoGrd)\u003c\/strong\u003e terminal. By isolating the negative return path from the alternator case and engine block, it significantly reduces the risk of stray current corrosion on hulls, propellers, and underwater metal fittings, whilst providing a cleaner, more stable electrical circuit for your charging system.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Output 120A Charging:\u003c\/strong\u003e Provides substantial current at 12V to rapidly replenish deep-cycle house batteries, supporting high-draw appliances such as inverters, refrigeration, and navigation systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolated Ground Architecture:\u003c\/strong\u003e Protects marine vessels and specialised vehicles from galvanic corrosion and stray electrical currents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.15in (Approx. 80mm) Saddle Mount:\u003c\/strong\u003e Hitachi-style dual-foot mount, typical for Yanmar, Westerbeke, Lehman and Perkins-Sabre engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomisable Drive Setup (No Pulley Included):\u003c\/strong\u003e Supplied bare to allow precise matching with your engine's existing belt profile, preventing belt slip and premature wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Fan Cooling:\u003c\/strong\u003e Compact, small-case 6-Series design with dual fan cooling and a high airflow frame.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCustomise Your Belt Drive: Compatible Pulley Options\u003c\/h3\u003e\n\u003cp\u003ePlease note that this alternator is \u003cstrong\u003esupplied without a pulley\u003c\/strong\u003e. High-output alternators place increased mechanical load on engine drive belts. By selecting the exact pulley required for your engine setup, you ensure optimal belt wrap, correct drive ratios, and reduced slippage. This unit accepts the following 17mm bore pulleys:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0020:\u003c\/strong\u003e Pulley, Dual V 2.7in (Approx. 68.6mm) x 1\/2in (Approx. 12.7mm) DeepV, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0070:\u003c\/strong\u003e Pulley, K-6 2.45in (Approx. 62.2mm) (Serpentine 6-Rib), 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-1310:\u003c\/strong\u003e Pulley, K-8 2.4in (Approx. 61mm) (Serpentine 8-Rib), 17mm Bore, Short (STD)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesigned for Recreational Applications\u003c\/h3\u003e\n\u003cp\u003eWhen cruising off-grid or operating in remote locations, engine run-time efficiency is critical. Standard factory alternators quickly derate as engine bay temperatures rise, resulting in slow charge times. Balmar designs its 6-Series alternators for recreational applications and describes them as ideal for modest charging upgrades. Its Smart Ready internal regulator may be sufficient where battery loads are relatively small and the engine runs frequently. For larger deep-cycle battery banks, or where the engine runs less often (as on most sailing vessels), pair it with a Balmar ARS-5 or Max Charge multi-stage regulator.\u003c\/p\u003e\n\n\u003ch3\u003eReady to Upgrade Your Charging System?\u003c\/h3\u003e\n\u003cp\u003eConfigure your ideal marine or mobile charging solution today. Pair this 60 Series 12V 120A Alternator with your required 17mm bore pulley and enjoy dependable, isolated-ground power generation on your next voyage.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43631386394685,"sku":"B-60-120-SP","price":1318.91,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/balmar-60-series-120a-12v-alternator-b-60-120-sp.png?v=1792490488"},{"product_id":"enerdrive-b-60-24-70-sp","title":"Balmar 24V 70A 60 Series Alternator, 3.15in Saddle Mount, Isolated Ground (No Pulley)","description":"\u003ch2\u003eHigh-Output 24V 70A Isolated Ground Alternator for Marine and Off-Grid Power\u003c\/h2\u003e\n\u003ch3\u003eEngineered for High-Output Charging and Corrosion Prevention\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e60 Series 24V 70A Alternator\u003c\/strong\u003e is a compact, high-output charging upgrade from Balmar's 6-Series. Balmar designs its 6-Series alternators for recreational applications and describes them as ideal for modest charging upgrades. Delivering a 70A charge rate at 24V, this unit helps replenish auxiliary battery banks during engine operation. For 24V applications, Balmar specifies a Max Charge multi-stage regulator.\u003c\/p\u003e\n\n\u003ch3\u003eThe Advantage of an Isolated Ground Architecture\u003c\/h3\u003e\n\u003cp\u003eOne of the critical engineering features of this alternator is its \u003cstrong\u003eIsolated Ground (IsoGrd)\u003c\/strong\u003e design. In standard alternators, the casing acts as the negative return path through the engine block. However, in marine vessels with steel or aluminium hulls, using the engine block or chassis as a return path can introduce stray currents. This accelerates galvanic corrosion and can cause severe damage to underwater metals, engine components, and sensitive onboard electronics.\u003c\/p\u003e\n\u003cp\u003eBy featuring a dedicated isolated negative terminal, this \u003cstrong\u003e24V isolated ground alternator\u003c\/strong\u003e keeps the DC charging circuit completely separate from the engine block. This significantly reduces the risk of electrolysis and electrical interference, protecting your vessel or vehicle investment over the long term.\u003c\/p\u003e\n\n\u003ch3\u003e3.15in Hitachi-Style Dual-Foot Saddle Mount\u003c\/h3\u003e\n\u003cp\u003eThis unit uses a dual-foot \u003cstrong\u003esaddle mount\u003c\/strong\u003e configuration with a \u003cstrong\u003e3.15in (Approx. 80mm)\u003c\/strong\u003e mounting footprint. Balmar calls this the Hitachi-style mount, typical for Yanmar, Westerbeke, Lehman and Perkins-Sabre engines. It is not the 4in J-180-style mount, so check your engine bracket before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Output 24V 70A Rating:\u003c\/strong\u003e Delivers substantial charging current to quickly replenish depleted 24V auxiliary and starting battery banks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolated Ground (IsoGrd) Protection:\u003c\/strong\u003e Helps prevent stray current corrosion and electrolysis in marine hulls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.15in (Approx. 80mm) Saddle Mount:\u003c\/strong\u003e Hitachi-style dual-foot mount, typical for Yanmar, Westerbeke, Lehman and Perkins-Sabre engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomisable Drive Interface:\u003c\/strong\u003e Supplied without a pulley to suit 17mm bore pulleys, allowing exact matching to your engine's specific belt profile and drive ratio.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Fan Cooling:\u003c\/strong\u003e Compact, small-case 6-Series design with dual fan cooling and a high airflow frame.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Exclusion: Pulley Sold Separately\u003c\/h3\u003e\n\u003cp\u003ePlease note that this alternator is supplied with \u003cstrong\u003eno pulley included\u003c\/strong\u003e. Because marine engines use varying belt configurations, supplying the unit bare allows you to select the exact pulley required for your drive system without paying for redundant hardware. The alternator suits \u003cstrong\u003e17mm bore\u003c\/strong\u003e pulleys, including the following options:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0020:\u003c\/strong\u003e Pulley, Dual V 2.7in (Approx. 68.6mm) x 1\/2in (Approx. 12.7mm) DeepV, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0070:\u003c\/strong\u003e Pulley, K-6 2.45in (Approx. 62.2mm) Serpentine 6-Rib, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-1310:\u003c\/strong\u003e Pulley, K-8 2.4in (Approx. 61mm) Serpentine 8-Rib, 17mm Bore, Short (STD)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUpgrade Your 24V Charging System\u003c\/h3\u003e\n\u003cp\u003eWhether you are refitting a cruising vessel or upgrading an off-grid expedition truck, the 60 Series 24V 70A Alternator delivers isolated-ground charging in a compact package. Select your compatible 17mm bore pulley and order your 60 Series alternator today to secure dependable 24V charging performance.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43631386427453,"sku":"B-60-24-70-SP","price":1306.57,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/balmar-60-series-24v-70a-alternator-b-60-24-70-sp.png?v=1792490513"},{"product_id":"enerdrive-b-604-120-sp","title":"Balmar 12V 120A 60 Series Alternator, 4in Saddle Mount, Isolated Ground (No Pulley)","description":"\u003ch2\u003eHigh-Output 60 Series 12V 120A Isolated Ground Alternator\u003c\/h2\u003e\n\u003cp\u003eBuilt for recreational marine and mobile power applications, the 60 Series 12V 120A Alternator delivers reliable, high-output charging performance. Designed with a 4-inch (approx. 101.6mm) J-180-style saddle mount configuration (Balmar 604 Series), this high-output unit provides a significant upgrade over standard factory alternators, ensuring your auxiliary battery banks and essential onboard electronics remain adequately charged during operation.\u003c\/p\u003e\n\u003cp\u003eWhether you are outfitting a cruising vessel or upgrading an off-grid expedition vehicle, this 120A alternator is a compact, high-output charging upgrade. Please note that this unit is supplied without a pulley, allowing you to select the exact drive configuration required for your specific engine setup.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose an Isolated Ground Alternator?\u003c\/h3\u003e\n\u003cp\u003eIn marine environments, electrical integrity is critical. Unlike standard case-grounded units that use the engine block as a return path, this alternator features an isolated ground design. By keeping the negative electrical return completely separate from the alternator housing and engine block, it significantly reduces the risk of stray current corrosion and galvanic damage to metal hulls, propellers, and submerged fittings. It also minimises electrical interference with sensitive navigation and communication equipment.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh 120A Output at 12V:\u003c\/strong\u003e Provides substantial charging current to rapidly replenish deep-cycle house and starting batteries, and LiFePO4 banks when paired with a Balmar Max Charge regulator that has a lithium program (the ARS-5 is not for lithium).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolated Ground Architecture:\u003c\/strong\u003e Suited to metal-hulled marine vessels, helping prevent stray current corrosion and ground loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Inch (Approx. 101.6mm) Saddle Mount:\u003c\/strong\u003e Built to fit J-180-style dual-foot mounting brackets, typical for Caterpillar, Cummins, Detroit Diesel and John Deere engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomisable Drive Interface:\u003c\/strong\u003e Supplied without a pulley to accommodate custom belt ratios and specific engine belt profiles, from traditional V-belts to modern multi-rib serpentine systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Fan Cooling:\u003c\/strong\u003e Compact, small-case 6-Series design with dual fan cooling and a high airflow frame.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Pulley Options (Sold Separately)\u003c\/h3\u003e\n\u003cp\u003eBecause engine drive systems vary widely across marine engines, this alternator is supplied bare of a pulley. It accepts 17mm bore pulleys in the following configurations:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0020:\u003c\/strong\u003e Pulley, Dual V 2.7\" (approx. 68.6mm) x 1\/2\" (approx. 12.7mm) Deep V, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0070:\u003c\/strong\u003e Pulley, K-6 2.45\" (approx. 62.2mm) Serpentine 6-Rib, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-1310:\u003c\/strong\u003e Pulley, K-8 2.4\" (approx. 61mm) Serpentine 8-Rib, 17mm Bore, Short (Standard)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesigned for Recreational Applications\u003c\/h3\u003e\n\u003cp\u003eStandard alternators are typically designed to maintain a single starting battery and run basic vehicle loads. Balmar designs its 6-Series alternators for recreational applications and describes them as ideal for modest charging upgrades. Its Smart Ready internal regulator may be sufficient where battery loads are relatively small and the engine runs frequently. For larger deep-cycle battery banks, or where the engine runs less often (as on most sailing vessels), pair it with a Balmar ARS-5 or Max Charge multi-stage regulator.\u003c\/p\u003e\n\u003cp\u003eConfigure your ideal charging system today. Select the appropriate pulley from the options above to match your engine's belt drive and upgrade your vessel or vehicle with dependable 12V power generation.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43631387541565,"sku":"B-604-120-SP","price":1258.17,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/balmar-60-series-120a-12v-alternator-saddle-mount-b-604-120-sp.png?v=1792490501"},{"product_id":"enerdrive-b-604-24-70-sp","title":"Balmar 24V 70A 60 Series Alternator, 4in Saddle Mount, Isolated Ground (No Pulley)","description":"\u003ch2\u003eHigh-Output 24V 70A Isolated Ground Alternator for Marine and Off-Grid Power\u003c\/h2\u003e\u003cp\u003eUpgrade your charging system with the \u003cstrong\u003e60 Series 24V 70A Alternator\u003c\/strong\u003e, a compact, high-output alternator from Balmar's 6-Series. Balmar designs its 6-Series alternators for recreational applications and describes them as ideal for modest charging upgrades. It delivers dependable 24V charging for auxiliary battery banks in marine vessels and off-grid vehicles.\u003c\/p\u003e\u003ch3\u003eWhy Choose an Isolated Ground Architecture?\u003c\/h3\u003e\u003cp\u003eElectrical safety and hull protection are critical in marine applications. This alternator features an \u003cstrong\u003eIsolated Ground (IsoGrd)\u003c\/strong\u003e design, meaning the negative return path is completely insulated from the alternator case and the engine block. This architecture significantly reduces the risk of stray current corrosion on metal hulls, underwater hardware, and propulsion components.\u003c\/p\u003e\u003ch3\u003e4in J-180-Style Dual Foot Saddle Mounting\u003c\/h3\u003e\u003cp\u003eThis 60 Series unit uses a \u003cstrong\u003e4in (approx. 101.6mm) dual foot saddle mount\u003c\/strong\u003e, which Balmar calls J-180-style (604 Series) and lists as typical for Caterpillar, Cummins, Detroit Diesel and John Deere engines. Compared to single-foot alternatives, a wide saddle mount distributes belt tension across the mounting bracket, helping maintain belt alignment.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e70A at 24V Output:\u003c\/strong\u003e Provides substantial charging power to efficiently replenish high-capacity house battery banks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolated Ground Terminal:\u003c\/strong\u003e Helps protect marine vessels from galvanic and stray current corrosion by keeping the electrical ground independent from the engine block.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4in (Approx. 101.6mm) Saddle Mount:\u003c\/strong\u003e J-180-style dual-foot mount for engines with a 4in saddle bracket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact 60 Series Small Case:\u003c\/strong\u003e Fits comfortably inside tight engine compartments where space is limited without sacrificing high-output performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomisable Drive Setup:\u003c\/strong\u003e Supplied without a pulley, allowing you to match the exact belt profile and drive ratio required by your engine.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eImportant Exclusion: Pulley Required\u003c\/h3\u003e\u003cp\u003ePlease note that this alternator is supplied \u003cstrong\u003ewithout a pulley\u003c\/strong\u003e to accommodate a wide variety of engine belt configurations. To complete your installation, select one of the compatible 17mm bore pulleys listed below based on your specific drive belt setup:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0020:\u003c\/strong\u003e Pulley, Dual V 2.7in x 1\/2in (Approx. 68.6mm x 12.7mm) DeepV, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0070:\u003c\/strong\u003e Pulley, K-6 2.45in (Approx. 62.2mm) Serpentine 6-Rib, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-1310:\u003c\/strong\u003e Pulley, K-8 2.4in (Approx. 61mm) Serpentine 8-Rib, 17mm Bore, Short (STD)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCooling and Regulation\u003c\/h3\u003e\u003cp\u003eStandard factory alternators often struggle with thermal management when paired with modern deep-cycle AGM, gel or lithium (LiFePO4) battery systems that demand high bulk-charging currents. Balmar's 6-Series alternators use dual fan cooling and a high airflow frame. For 24V applications, Balmar specifies a Max Charge multi-stage regulator.\u003c\/p\u003e\u003ch3\u003eConfigure Your High-Output Charging System\u003c\/h3\u003e\u003cp\u003eEnsure dependable 24V power generation on the water or in the field. Pair this 60 Series isolated ground alternator with your required 17mm bore pulley and add it to your system build today.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43631387607101,"sku":"B-604-24-70-SP","price":1302.44,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/balmar-60-series-24v-70a-alternator-b-604-24-70-sp.png?v=1792490537"},{"product_id":"enerdrive-b-621-100-sp","title":"Balmar 12V 100A 621 Series Alternator, Single Foot Mount, Isolated Ground (No Pulley)","description":"\u003ch2\u003eHigh-Output 12V 100A Alternator for Marine and Mobile Power Systems\u003c\/h2\u003e\n\u003cp\u003eUpgrading your auxiliary charging system is essential when supporting demanding house battery banks in marine vessels, motorhomes, and off-grid service vehicles. The \u003cstrong\u003e621 Series 100A 12V Alternator (B-621-100-SP)\u003c\/strong\u003e is engineered to deliver consistent, high-amperage power where standard automotive alternators often struggle. Designed with a compact small-case footprint, this unit provides a substantial boost in charging performance without requiring extensive modifications to your existing engine bay.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Upgrade to a High-Output 621 Series Alternator?\u003c\/h3\u003e\n\u003cp\u003eStandard factory alternators are typically designed to maintain a starter battery and run basic vehicle electronics, rather than rapidly recharging deep-cycle lithium, AGM, or gel battery banks. Operating a standard unit at full capacity for extended periods often leads to excessive heat build-up, voltage drop, and premature component failure. The \u003cstrong\u003e621 Series 100A alternator\u003c\/strong\u003e is part of Balmar's top-selling 6-Series, with dual fan cooling and a high airflow frame. Balmar designs its 6-Series alternators for recreational applications and describes them as ideal for modest charging upgrades. Its Smart Ready internal regulator may be sufficient where battery loads are relatively small and the engine runs frequently. For larger deep-cycle battery banks, or where the engine runs less often (as on most sailing vessels), pair it with a Balmar ARS-5 or Max Charge multi-stage regulator.\u003c\/p\u003e\n\n\u003ch3\u003eIsolated Ground Design for Enhanced Safety\u003c\/h3\u003e\n\u003cp\u003eA critical feature of this alternator is its \u003cstrong\u003eIsolated Ground (IsoGrd)\u003c\/strong\u003e configuration. Unlike standard case-grounded alternators that use the engine block as the negative return path, an isolated ground alternator features a dedicated negative terminal. This completely isolates the alternator's electrical circuit from the engine chassis and hull.\u003c\/p\u003e\n\u003cp\u003eFor marine applications—particularly on aluminium, steel, or composite vessels—this design significantly reduces the risk of stray current corrosion and galvanic damage to underwater metals. It also helps prevent electrical interference with sensitive navigation, communication, and engine management electronics.\u003c\/p\u003e\n\n\u003ch3\u003ePrecision Mounting and Customisable Pulley Options\u003c\/h3\u003e\n\u003cp\u003eThis model features a \u003cstrong\u003eSingle Foot (SingleFT)\u003c\/strong\u003e spindle mount for \u003cstrong\u003e1in (Approx. 25.4mm) or 2in (Approx. 50.8mm)\u003c\/strong\u003e single-foot brackets. Balmar lists the 1in Motorola-style mount as typical for Westerbeke, Lehman, Hino and Pathfinder engines, and the 2in Delco-style mount as typical for Volvo Penta, John Deere, Perkins, Mercruiser and other GM-based engines. To offer maximum flexibility across different engine belt configurations, \u003cstrong\u003ethis alternator is supplied without a pulley\u003c\/strong\u003e. This allows installers to select the exact pulley profile required to match their engine's existing drive belt system, preventing belt slippage and premature wear.\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Pulley Choices (Sold Separately)\u003c\/h3\u003e\n\u003cp\u003eTo complete your installation, pair the B-621-100-SP with one of the following compatible 17mm bore pulleys:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0010:\u003c\/strong\u003e Pulley, Single V, 2.7in x 1\/2in (Approx. 68.6mm x 12.7mm) DeepV, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0020:\u003c\/strong\u003e Pulley, Dual V, 2.7in x 1\/2in (Approx. 68.6mm x 12.7mm) DeepV, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0070:\u003c\/strong\u003e Pulley, K-6, 2.45in (Approx. 62.2mm) Serpentine 6-Rib, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-1310:\u003c\/strong\u003e Pulley, K-8, 2.4in (Approx. 61mm) Serpentine 8-Rib, 17mm Bore, Short (STD)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100A at 12V Output:\u003c\/strong\u003e Delivers rapid charging capabilities for auxiliary and house battery banks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolated Ground Terminal:\u003c\/strong\u003e Helps protect marine hulls and vehicle chassis from stray current and galvanic corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Foot 1in or 2in Mount:\u003c\/strong\u003e Suits 1in Motorola-style and 2in Delco-style single-foot brackets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomisable Drive Setup:\u003c\/strong\u003e Supplied bare (without pulley) to accommodate Single V, Dual V, 6-Rib, or 8-Rib serpentine belt systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Fan Cooling:\u003c\/strong\u003e Compact, small-case 6-Series design with dual fan cooling and a high airflow frame.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBuild a Dependable Charging System\u003c\/h3\u003e\n\u003cp\u003eWhether you are refitting a cruising yacht or building a custom off-grid power system, the 621 Series 100A 12V Alternator provides the electrical foundation you need. Select your required 17mm bore pulley from our range and upgrade your engine's charging capability today.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43631387738173,"sku":"B-621-100-SP","price":1284.94,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/balmar-621-series-100a-12v-alternator-b-621-100-sp.png?v=1792490549"},{"product_id":"enerdrive-b-621-120-sp","title":"Balmar 12V 120A 621 Series Alternator, Single Foot Mount, Isolated Ground (No Pulley)","description":"\u003ch2\u003eHigh-Output 12V 120A 621 Series Alternator for Marine and Mobile Power\u003c\/h2\u003e\u003cp\u003eEngineered to meet the electrical loads of modern vessels and off-grid setups, this \u003cstrong\u003e621 Series 12V 120A alternator\u003c\/strong\u003e provides reliable, high-output power generation. Unlike standard automotive units designed only for intermittent starting battery top-ups, this high-output alternator is built to recharge deep-cycle house battery banks. Balmar designs its 6-Series alternators for recreational applications and describes them as ideal for modest charging upgrades.\u003c\/p\u003e\u003cp\u003eWith a substantial \u003cstrong\u003e120A output at 12V\u003c\/strong\u003e, it significantly reduces engine run times required for battery charging, saving fuel and minimising engine wear. Whether you are upgrading a marine auxiliary engine or outfitting a specialised mobile workspace, this unit delivers the charging performance your house battery bank needs.\u003c\/p\u003e\u003ch3\u003eIsolated Ground Architecture for Enhanced Safety\u003c\/h3\u003e\u003cp\u003eA critical feature of this 621 Series alternator is its \u003cstrong\u003eIsolated Ground (IsoGrd)\u003c\/strong\u003e design. Standard alternators use the metal casing as the negative return path through the engine block. In marine environments—particularly on aluminium, steel, or timber vessels—ground return through the engine and hull can lead to severe stray current corrosion and galvanic damage.\u003c\/p\u003e\u003cp\u003eBy isolating the negative terminal from the alternator chassis, this unit ensures that all return current travels safely back to the battery bank via dedicated cabling. This architecture drastically reduces the risk of electrolysis in marine applications and protects sensitive onboard electronics from ground loop interference.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Output 120A Capacity:\u003c\/strong\u003e Delivers rapid, dependable charging for large 12V deep-cycle AGM, Gel, or Lithium (LiFePO4) battery banks when paired with appropriate regulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolated Ground (IsoGrd) Design:\u003c\/strong\u003e Prevents stray current corrosion and galvanic damage by isolating the electrical ground from the engine block and chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Foot Mounting:\u003c\/strong\u003e Suits 1in (Approx. 25.4mm) Motorola-style or 2in (Approx. 50.8mm) Delco-style single foot (SingleFT) brackets. Balmar lists the 1in Motorola-style mount as typical for Westerbeke, Lehman, Hino and Pathfinder engines, and the 2in Delco-style mount as typical for Volvo Penta, John Deere, Perkins, Mercruiser and other GM-based engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomisable Drive Setup:\u003c\/strong\u003e Supplied without a pulley (suits 17mm bore pulleys), allowing you to match the exact belt profile and ratio required for your specific engine configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Fan Cooling:\u003c\/strong\u003e Compact, small-case 6-Series design with dual fan cooling and a high airflow frame.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePulley Compatibility and Exclusions\u003c\/h3\u003e\u003cp\u003ePlease note that this alternator is \u003cstrong\u003esupplied without a pulley\u003c\/strong\u003e to accommodate varying engine belt configurations. To complete your installation, select the appropriate pulley for your drive belt system from the compatible options below (each featuring a 17mm bore):\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0020:\u003c\/strong\u003e Dual V Pulley, 2.7in (Approx. 68.6mm) x 1\/2in (Approx. 12.7mm) Deep V, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0070:\u003c\/strong\u003e K-6 Serpentine 6-Rib Pulley, 2.45in (Approx. 62.2mm), 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-1310:\u003c\/strong\u003e K-8 Serpentine 8-Rib Pulley, 2.4in (Approx. 61mm), 17mm Bore, Short (STD)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\u003cp\u003eUpgrading to a dedicated high-output, isolated ground alternator helps solve the common problem of chronic battery undercharging. It suits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine Vessels:\u003c\/strong\u003e Yachts and cruisers requiring isolated ground systems to help prevent hull and propeller corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRVs and Expedition Vehicles:\u003c\/strong\u003e Rapidly replenishing auxiliary battery banks during transit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUpgrade Your Charging System\u003c\/h3\u003e\u003cp\u003eEnsure your vessel or vehicle has the dependable charging capacity it needs for extended off-grid operation. Select your compatible 17mm bore pulley and add the 621 Series 12V 120A Alternator to your system today for reliable, isolated-ground power generation.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43631393701949,"sku":"B-621-120-SP","price":1300.38,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/balmar-621-series-120a-12v-alternator-b-621-120-sp.png?v=1792490561"},{"product_id":"enerdrive-b-621-24-70-sp","title":"Balmar 24V 70A 621 Series Alternator, Single Foot Mount, Isolated Ground (No Pulley)","description":"\u003ch2\u003eHigh-Output 24V 70A Isolated Ground Alternator for Marine and Off-Grid Power\u003c\/h2\u003e\u003cp\u003eThe Balmar 621 Series 24V 70A Alternator (SKU: B-621-24-70-SP) is a compact, high-output alternator for marine and off-grid applications where reliable DC power generation is critical. Featuring a 1in or 2in (approx. 25.4mm or 50.8mm) single foot mounting configuration and an isolated ground design, this high-output alternator provides a robust charging upgrade over standard factory units. Whether you are managing auxiliary battery banks on a cruising vessel or an off-grid vehicle, the 621 Series delivers consistent amperage to keep essential systems running smoothly.\u003c\/p\u003e\u003ch3\u003eWhy Choose an Isolated Ground Architecture?\u003c\/h3\u003e\u003cp\u003eStandard automotive alternators typically use the alternator case as the negative return path, which connects directly to the engine block. In marine environments—particularly on steel, aluminium, or composite vessels—this can introduce stray current corrosion and electrical interference. The isolated ground architecture of the B-621-24-70-SP completely separates the electrical ground from the alternator chassis via dedicated positive and negative terminals. This design reduces the risk of galvanic corrosion, protects sensitive onboard electronics, and ensures a clean, dedicated return path directly to your battery bank or main busbar.\u003c\/p\u003e\u003ch3\u003eCustomisable Drive Configuration (Supplied Without Pulley)\u003c\/h3\u003e\u003cp\u003ePlease note that this unit is supplied \u003cstrong\u003ewithout a pulley\u003c\/strong\u003e, allowing system builders and marine electricians to select the exact drive interface required for their specific engine and belt setup. It accepts several optional 17mm bore pulley styles to match V-belt or multi-rib serpentine systems:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0020:\u003c\/strong\u003e Pulley, Dual V 2.7in x 1\/2in (approx. 68.6mm x 12.7mm) Deep V, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-61-0070:\u003c\/strong\u003e Pulley, K-6 2.45in (approx. 62.2mm) Serpentine 6-Rib, 17mm Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-1310:\u003c\/strong\u003e Pulley, K-8 2.4in (approx. 61.0mm) Serpentine 8-Rib, 17mm Bore, Short (Standard)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesigned for Recreational Applications\u003c\/h3\u003e\u003cp\u003eUpgrading to a dedicated high-output 24V alternator reduces the engine runtime required to replenish discharged house batteries. Balmar designs its 6-Series alternators for recreational applications and describes them as ideal for modest charging upgrades. For 24V applications, Balmar specifies a Max Charge multi-stage regulator. Set the regulator to suit your battery type.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e70A Output at 24V:\u003c\/strong\u003e Delivers substantial charging current for large 24V auxiliary and house battery banks, reducing generator or main engine run times.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolated Ground Design:\u003c\/strong\u003e Dedicated negative terminal prevents stray current through the engine block, mitigating hull corrosion risks in marine installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Foot Mounting:\u003c\/strong\u003e Spindle foot design for 1in Motorola-style or 2in Delco-style brackets. Balmar lists the 1in Motorola-style mount as typical for Westerbeke, Lehman, Hino and Pathfinder engines, and the 2in Delco-style mount as typical for Volvo Penta, John Deere, Perkins, Mercruiser and other GM-based engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Pulley Selection:\u003c\/strong\u003e Supplied bare (no pulley) to suit 17mm bore pulleys, enabling precise matching to Dual V, 6-rib, or 8-rib serpentine belt drives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Fan Cooling:\u003c\/strong\u003e Compact, small-case 6-Series design with dual fan cooling and a high airflow frame.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUpgrade Your 24V Charging System\u003c\/h3\u003e\u003cp\u003eConfigure your ideal engine-driven charging solution with the 621 Series 24V 70A Isolated Ground Alternator. Select your compatible 17mm bore pulley and integrate this alternator into your vessel or off-grid vehicle today for dependable, isolated-ground power generation.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43631393734717,"sku":"B-621-24-70-SP","price":1312.74,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/balmar-621-series-70a-24v-alternator-b-621-24-70-sp.png?v=1792490571"},{"product_id":"enerdrive-b-97ehd-190-24-ig","title":"Balmar 24V 190A 97EHD Series Alternator, 4in Saddle Mount, Dual V Pulley, Isolated Ground","description":"\u003ch2\u003eHigh-Output 24V Charging for Marine and Commercial Applications\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003e97EHD Series 24V 190A Alternator\u003c\/strong\u003e is engineered for demanding commercial and marine environments where consistent, high-amperage charging is critical. Designed for extended duty operation with large battery banks and heavy electrical loads, this extra-large case unit provides a substantial upgrade over standard OEM alternators. Whether you are operating a commercial vessel or outfitting an off-grid expedition vehicle, this alternator delivers the sustained energy output required to keep essential onboard systems operational.\u003c\/p\u003e\u003ch3\u003eIsolated Ground Architecture for Corrosion Prevention\u003c\/h3\u003e\u003cp\u003eA core feature of this unit is its \u003cstrong\u003eIsolated Ground (IsoGrd)\u003c\/strong\u003e configuration. Unlike standard case-grounded alternators that use the engine block as a return path, an isolated ground alternator utilises a dedicated negative terminal. This completely separates the charging circuit from the engine block, hull or vehicle chassis.\u003c\/p\u003e\u003cp\u003eIn marine applications—particularly on aluminium, steel, or composite vessels—stray electrical currents can rapidly accelerate galvanic corrosion, leading to severe structural damage. By providing a dedicated return path directly to the battery bank or main busbar, the isolated ground design significantly reduces the risk of stray current corrosion and electrical interference with sensitive navigation and communication electronics.\u003c\/p\u003e\u003ch3\u003eEngineered for Mechanical Stability and High Loads\u003c\/h3\u003e\u003cp\u003eHigh-output alternators place substantial mechanical resistance on drive belts and mounting brackets. To mitigate belt slip, premature wear, and vibration, this 97EHD Series unit incorporates robust physical mounting and drive features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e190A at 24V Output:\u003c\/strong\u003e Delivers substantial power to rapidly replenish large deep-cycle or lithium house battery banks and run high-draw DC appliances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Inch (Approx. 101.6mm) J-180-Style Saddle Mount:\u003c\/strong\u003e Dual-foot mount typical for Caterpillar, Cummins, Detroit Diesel and John Deere engines, providing a wide, stable attachment footprint that distributes mechanical stress evenly across the mounting bracket, reducing vibration in rough seas or rugged terrain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep Dual Vee Pulley:\u003c\/strong\u003e Distributes the physical load across two drive belts, minimising belt slippage and heat generation during high-amperage charging phases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolated Ground (IsoGrd) Design:\u003c\/strong\u003e Protects marine hulls and vehicle chassis from stray current and galvanic corrosion while ensuring a clean electrical return path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Duty 97EHD Series:\u003c\/strong\u003e Balmar designs the 97EHD Series for heavy duty cycle applications and extended duty operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Regulation Required:\u003c\/strong\u003e Designed for use with a Balmar multi-stage regulator.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReducing the Risks of Under-Sized Charging Systems\u003c\/h3\u003e\u003cp\u003eRelying on standard-duty alternators to charge large 24V auxiliary battery systems often leads to overheating, voltage drop, and premature component failure. The extra-large case 97EHD Series is designed for heavy duty cycle applications and extended duty operation. The dual vee pulley spreads the drive load across two belts, while the 4-inch (approx. 101.6mm) saddle mount keeps the unit aligned under heavy load.\u003c\/p\u003e\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCommercial marine vessels, cruisers, and workboats requiring isolated ground electrical systems\u003c\/li\u003e\n\u003cli\u003eLarge diesel applications such as Caterpillar, Cummins, MTU and John Deere engines servicing extensive house battery loads\u003c\/li\u003e\n\u003cli\u003eLarge-scale 24V lithium (LiFePO4) or AGM auxiliary battery bank charging\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUpgrade Your 24V Charging System\u003c\/h3\u003e\u003cp\u003eEnsure your vessel or heavy-duty vehicle has the dependable power generation it needs for demanding operations. Integrate the 97EHD Series 24V 190A Isolated Ground Alternator into your electrical system today for stable, high-amperage charging performance.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43631393767485,"sku":"B-97EHD-190-24-IG","price":8277.98,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/balmar-97ehd-190a-24v-alternator-b-97ehd-190-24-ig.jpg?v=1792490606"},{"product_id":"enerdrive-b-97xd-12-240-ig","title":"Balmar 12V 240A 97XD Series Alternator, 4in Saddle Mount, K6 Pulley, Isolated Ground","description":"\u003ch2\u003eHigh-Output 97XD Series 12V 240A Alternator for Heavy-Duty Power Generation\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e97XD Series 12V 240A Alternator\u003c\/strong\u003e is engineered to meet the electrical demands of modern marine vessels and other large diesel applications. Delivering a substantial 240A output at 12V, this heavy-duty unit provides the amperage required to rapidly charge large battery banks, including high-capacity lithium (LiFePO4) and AGM systems. Unlike standard automotive alternators that struggle under sustained high-load conditions, the Extra-Large Case 97XD Series is designed for extended-duty operation.\u003c\/p\u003e\n\n\u003ch3\u003ePrecision Mounting and Belt Drive Integration\u003c\/h3\u003e\n\u003cp\u003eDesigned for secure mechanical integration, this model features a robust \u003cstrong\u003e4in (Approx. 101.6mm) dual foot saddle mount\u003c\/strong\u003e. This J-180-style mounting provides stability and alignment on compatible engine brackets, reducing vibration-related wear. Power transfer is handled by a fitted \u003cstrong\u003eK6 (6-groove serpentine) pulley\u003c\/strong\u003e, which maximises belt grip and minimises slippage when the alternator is under heavy load, preventing premature belt degradation and ensuring consistent charging performance.\u003c\/p\u003e\n\n\u003ch3\u003eIsolated Ground Architecture for Enhanced Safety\u003c\/h3\u003e\n\u003cp\u003eA critical feature of the B-97XD-12-240-IG is its \u003cstrong\u003eIsolated Ground (IsoGrd)\u003c\/strong\u003e design. In standard case-grounded alternators, the engine block serves as the return path for electrical current. For marine applications—particularly on aluminium, steel, or composite hulls—stray current through the engine block can accelerate galvanic corrosion and damage expensive underwater hardware. An isolated ground alternator provides a dedicated negative terminal, keeping the electrical circuit completely separate from the engine block and chassis. This significantly reduces the risk of stray current corrosion.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh 240A Output at 12V:\u003c\/strong\u003e Delivers rapid bulk charging for large house battery banks and supports high-draw DC appliances simultaneously.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4in (Approx. 101.6mm) Saddle Mount:\u003c\/strong\u003e Provides a secure J-180-style fitment on compatible engine brackets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolated Ground (IsoGrd) Terminal:\u003c\/strong\u003e Reduces the risk of stray current corrosion in marine environments and ensures clean, isolated return paths for complex dual-battery electrical systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eK6 Serpentine Pulley:\u003c\/strong\u003e Multi-ribbed 6-groove pulley design handles high torque loads efficiently, reducing belt slip during peak amperage generation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended-Duty 97XD Design:\u003c\/strong\u003e Extra-Large Case with braided-stator technology for strong output at low RPM.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBuilt to Solve High-Demand Charging Challenges\u003c\/h3\u003e\n\u003cp\u003eUpgrading to a high-capacity battery bank often exposes the limitations of factory-fitted alternators, which can overheat and fail when subjected to the low internal resistance of lithium batteries. The 97XD Series is specifically designed to bridge this gap. By pairing this unit with an appropriate external voltage regulator (required, sold separately), users can program precise multi-stage charging profiles tailored to their exact battery chemistry. This reduces engine run-time, saves fuel, and extends the operational lifespan of both the alternator and the energy storage system.\u003c\/p\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCruising yachts, commercial workboats, and marine vessels requiring isolated ground protection\u003c\/li\u003e\n\u003cli\u003eLarge diesel engines servicing extensive 12V house battery loads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUpgrade Your Charging System\u003c\/h3\u003e\n\u003cp\u003eEquip your vessel or large diesel engine with the 97XD Series 240A 12V Alternator to ensure dependable, high-amperage power generation whenever your engine is running. Review your engine mounting dimensions and belt configuration to confirm compatibility, and integrate this heavy-duty alternator into your electrical system today.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43631394357309,"sku":"B-97XD-12-240-IG","price":3027.02,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/97XD-12-240-IG.png?v=1792495805"},{"product_id":"enerdrive-b-97xd-24-120-ig","title":"Balmar 24V 120A 97XD Series Alternator, 4in Saddle Mount, K6 Pulley, Isolated Ground","description":"\u003ch2\u003eHigh-Output 24V 120A Heavy-Duty Power Generation\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003e97XD Series 24V 120A Alternator\u003c\/strong\u003e is engineered for demanding marine, commercial, and off-grid mobile power applications where standard automotive charging systems struggle to keep up. Delivering a substantial 120A output at 24V, this unit is designed to service extensive house battery loads, including lithium (LiFePO4), AGM and gel banks when paired with a Balmar multi-stage regulator. The 97XD Series uses braided-stator technology to deliver strong power at low RPM. Unlike standard units that quickly overheat under continuous load, the 97XD Series is built to sustain elevated power demands over extended operating periods, making it a strong upgrade for vessels and expedition vehicles operating in tough Australian conditions.\u003c\/p\u003e\u003ch3\u003eIsolated Ground Architecture for Corrosion and System Protection\u003c\/h3\u003e\u003cp\u003eA critical feature of this model is its \u003cstrong\u003eIsolated Ground (IsoGrd)\u003c\/strong\u003e design. Standard alternators use the outer metal casing as the negative return path through the engine block. In marine environments or complex commercial vehicles, passing high electrical currents through the engine block and hull can accelerate galvanic corrosion, damage sensitive onboard electronics, and create ground loops. By providing a dedicated, isolated negative terminal, this alternator keeps the charging circuit completely separate from the engine chassis. This significantly reduces the risk of stray current corrosion in steel or aluminium hulls and ensures a clean, stable electrical environment for modern engine management systems and navigation equipment.\u003c\/p\u003e\u003ch3\u003ePrecision Mounting and Heavy-Duty Drive\u003c\/h3\u003e\u003cp\u003eDesigned for secure integration into heavy-duty engine bays, this alternator features a robust \u003cstrong\u003e4in (Approx. 101.6mm) saddle mount\u003c\/strong\u003e configuration. The dual-foot J-180-style saddle design, typical for Caterpillar, Cummins, Detroit Diesel and John Deere engines, distributes mechanical stress across the mounting bracket. Power transfer is handled by a factory-installed \u003cstrong\u003eK6 serpentine pulley (6-groove)\u003c\/strong\u003e, which provides superior belt grip compared to traditional single V-belts. This multi-rib design reduces belt slippage, lowers heat generation, and prevents premature belt wear when the alternator is placing a heavy mechanical load on the engine during bulk charging phases.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Amperage 24V Output:\u003c\/strong\u003e Delivers up to 120A to rapidly replenish large house and auxiliary battery banks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolated Ground (IsoGrd) Design:\u003c\/strong\u003e Prevents stray current corrosion in marine hulls and protects sensitive vehicle electronics via a dedicated ground return.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4in (Approx. 101.6mm) Saddle Mount:\u003c\/strong\u003e Provides rigid, vibration-resistant mechanical mounting suitable for heavy diesel and marine engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eK6 Serpentine Pulley:\u003c\/strong\u003e Ensures efficient torque transfer and minimal belt slip under high electrical loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Duty Design:\u003c\/strong\u003e Balmar designs the 97XD Series for heavy duty cycle applications and extended duty operation, using braided-stator technology for strong output at low RPM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Regulation Required:\u003c\/strong\u003e Designed for use with a Balmar multi-stage regulator.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\u003cp\u003eWhether you are refitting a commercial fishing vessel, upgrading a bluewater cruising yacht, or building an overland expedition truck, the 97XD Series offers the reliability required for remote operations. External regulation is required, so pair it with a Balmar multi-stage regulator.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMarine auxiliary and house battery charging on yachts, workboats and cruisers\u003c\/li\u003e\n\u003cli\u003eLarge diesel applications such as Caterpillar, Cummins, MTU and John Deere engines servicing extensive house battery loads\u003c\/li\u003e\n\u003cli\u003e24V overland expedition vehicles and motorhomes with a 4in J-180-style alternator mount\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUpgrade Your Engine Charging System\u003c\/h3\u003e\u003cp\u003eEnsure your vessel or heavy vehicle has the dependable charging capacity required for extended off-grid operation. Order the 97XD Series 24V 120A Alternator today to integrate professional-grade power generation into your 24V electrical system.\u003c\/p\u003e","brand":"Balmar","offers":[{"title":"Default Title","offer_id":43631394390077,"sku":"B-97XD-24-120-IG","price":2798.45,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/balmar-97xd-24v-120a-alternator-saddle-mount-b-97xd-24-120-ig.png?v=1792490617"}],"url":"https:\/\/www.solar4rvs.com.au\/collections\/high-output-alternators.oembed?page=2","provider":"Solar 4 RVs","version":"1.0","type":"link"}