{"title":"48V to 12V DC-DC Chargers","description":null,"products":[{"product_id":"victron-48v-to-12v-orion-tr-30a-360w-isolated-charger","title":"Victron 48V to 12V Orion-Tr 48\/12-30A Isolated DC-DC Charger","description":"\u003ch2\u003eVictron 48V to 12V Orion-Tr 48\/12-30A Isolated DC-DC Charger: Isolated DC-DC Charger for Reliable Voltage Conversion\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eVictron 48V to 12V Orion-Tr 48\/12-30A Isolated DC-DC Charger\u003c\/strong\u003e is a high-performance isolated DC-DC charger engineered to provide stable, efficient power conversion between 48V and 12V battery systems. Designed for demanding applications in vehicles, marine vessels, and off-grid installations, this charger ensures your auxiliary batteries receive a precise, multi-stage charge regardless of input voltage fluctuations. With galvanic isolation between input, output, and case, it protects sensitive electronics and eliminates ground loop issues, making it a safe choice for complex electrical systems.\u003c\/p\u003e\n\u003cp\u003eUnlike generic DC-DC converters, the Orion-Tr Smart series uses a sophisticated three-stage charging algorithm (bulk, absorption, float) that adapts to battery condition, extending battery life and preventing overcharging. The fully programmable output voltage allows customisation for specific battery chemistries, including lithium, AGM, and gel. Integrated Bluetooth connectivity via the VictronConnect app provides real-time monitoring and configuration from your smartphone, eliminating the need for additional displays or wired connections.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGalvanic isolation (200V DC) between input, output, and case for enhanced safety and noise immunity\u003c\/li\u003e\n\u003cli\u003eFully programmable three-stage charging algorithm with adaptive battery management\u003c\/li\u003e\n\u003cli\u003eBluetooth Smart for wireless setup, monitoring, and firmware updates via VictronConnect\u003c\/li\u003e\n\u003cli\u003eRemote on\/off terminal for integration with battery management systems or external switches\u003c\/li\u003e\n\u003cli\u003eWide input voltage range (32-70V) with under-voltage protection to prevent battery drain\u003c\/li\u003e\n\u003cli\u003eParallel operation supported for scalable current output in larger systems\u003c\/li\u003e\n\u003cli\u003eRobust aluminium heat sink with passive cooling for reliable operation up to 55°C\u003c\/li\u003e\n\u003cli\u003eIP43 protection when mounted with terminals facing downwards, suitable for engine bays and marine environments\u003c\/li\u003e\n\u003cli\u003eScrew terminals accept up to 16mm² (AWG6) cable for low-resistance connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSmart Charging for Modern Systems\u003c\/h3\u003e\n\u003cp\u003eCompatibility with smart alternators (Euro 5\/6) ensures seamless integration in modern vehicles where variable voltage output can confuse traditional chargers. The charger detects engine running status via voltage sensing or a dedicated trigger wire, preventing accidental battery drain when the engine is off. A configurable input voltage lock-out allows precise control over charging initiation, ideal for systems with solar or shore power inputs.\u003c\/p\u003e\n\u003ch3\u003eBuilt for Harsh Environments\u003c\/h3\u003e\n\u003cp\u003eThe Orion-Tr Smart is built to withstand the rigours of mobile and off-grid use. The sealed electronics and conformal-coated circuit board resist moisture, dust, and vibration. The extruded aluminium heat sink dissipates heat efficiently without fans, ensuring silent, maintenance-free operation. With an operating temperature range of -20°C to +55°C and derating above 40°C, it performs reliably in Australian conditions from the outback to the coast.\u003c\/p\u003e\n\u003ch3\u003eFlexible Installation and Control\u003c\/h3\u003e\n\u003cp\u003eCompact dimensions (130 x 186 x 80 mm) and multiple mounting options allow installation in tight spaces. The remote on\/off port accepts a low-current switch or relay, enabling control from a dashboard or central management system without heavy-gauge wiring. For systems requiring higher current, multiple units can be paralleled with automatic load sharing, providing a scalable solution for larger battery banks.\u003c\/p\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eThis isolated DC-DC charger is ideal for charging auxiliary batteries in caravans, motorhomes, 4WDs, boats, and off-grid cabins. It efficiently steps voltage down from 48V to 12V to match your battery bank, whether you need to charge a 12V house battery from a 48V electric vehicle system or maintain a 12V battery from a 48V alternator. The galvanic isolation makes it particularly suitable for marine installations where corrosion and stray currents are a concern.\u003c\/p\u003e\n\u003cp\u003eWhether you're upgrading an existing dual-battery setup or building a new off-grid power system, the \u003cstrong\u003eVictron 48V to 12V Orion-Tr 48\/12-30A Isolated DC-DC Charger\u003c\/strong\u003e delivers precise, reliable charging with the intelligence to protect your investment. Configure it once via the app, and it will automatically manage your battery charging for years to come.\u003c\/p\u003e\n\u003cp\u003eReady to optimise your DC-DC charging? Install the \u003cstrong\u003eVictron 48V to 12V Orion-Tr 48\/12-30A Isolated DC-DC Charger\u003c\/strong\u003e and experience the difference that smart, isolated conversion makes in your mobile or off-grid power system.\u003c\/p\u003e","brand":"Victron","offers":[{"title":"Default Title","offer_id":42244657250365,"sku":"Vic-ORI481238120","price":321.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/victron-orion-tr-smart-48-12-30-top-view-vic-ori481238120.webp?v=1787108558"},{"product_id":"victron-energy-orion-tr-smart-48-12-20a-isolated-dc-dc-charger","title":"Victron 48V to 12V 20A Orion-Tr Smart Isolated DC-DC Charger (240W)","description":"\u003ch2\u003eVictron Energy 48V to 12V 20A Orion-Tr Smart Isolated DC-DC Charger\u003c\/h2\u003e\n\u003cp\u003eThe Victron Energy Orion-Tr Smart 48\/12-20A is a professional-grade, isolated DC to DC adaptive 3-stage charger. Engineered for integration into dual-battery systems in vehicles, boats, and off-grid builds, this unit efficiently steps down a 48V input to a highly stable 12V output. The isolated design means the input and output have separate chassis grounds, providing critical separation for sensitive marine and industrial electrical networks.\u003c\/p\u003e\n\u003ch3\u003eAdaptive 3-Stage Charging\u003c\/h3\u003e\n\u003cp\u003eBuilt to actively manage and maintain battery health, the Orion-Tr Smart features a fully programmable 3-stage charging algorithm (bulk, absorption, and float). This ensures optimal performance across a wide range of battery chemistries, including both traditional lead-acid and modern lithium setups. The output voltage is fully adjustable, allowing the device to serve either as a dedicated multi-stage battery charger or as a stable power supply for 12V DC loads operating from a 48V battery bank.\u003c\/p\u003e\n\u003ch3\u003eBluetooth Smart Connectivity\u003c\/h3\u003e\n\u003cp\u003eMonitoring and configuring your charging parameters is straightforward with built-in Bluetooth functionality. By connecting the unit to the VictronConnect app on a smartphone or tablet, users can wirelessly adjust voltage settings, check operational status, update firmware, and customise charging profiles without requiring a separate dongle or hardwired display.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolated DC-DC Functionality:\u003c\/strong\u003e Safely converts a 48V input into a stable 12V output (240W continuous) with separated input and output grounds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Alternator Compatible:\u003c\/strong\u003e Includes a built-in engine running detection mechanism, preventing the device from inadvertently draining the starter battery in Euro 5\/6 vehicles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Programmable:\u003c\/strong\u003e Supports custom charging profiles and fixed-voltage supply modes to suit specific system requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpandable Power:\u003c\/strong\u003e Features a parallel-ready design, allowing an unlimited number of multiple units to be connected to increase overall output current.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote On\/Off Capability:\u003c\/strong\u003e Can be controlled remotely via a switch, relay, or battery management system signal line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Temperature Performance:\u003c\/strong\u003e Operates reliably in environments up to 55°C, delivering its full 20A rated output in conditions up to 40°C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRobust and Reliable Design\u003c\/h3\u003e\n\u003cp\u003eBuilt for the harsh environments commonly encountered in mobile and off-grid applications, the Orion-Tr Smart includes comprehensive thermal and short-circuit protection. It automatically reduces its output at high temperatures to protect internal components. When correctly installed with the screw terminals facing downwards, the electronic components benefit from an IP43 protection rating, guarding against moisture and dust ingress.\u003c\/p\u003e\n\u003cp\u003eWhether you need to cleanly step down a 48V system to support 12V equipment or require a precision charger to manage an auxiliary battery array, the Victron Orion-Tr Smart provides a highly configurable, dependable power conversion solution.\u003c\/p\u003e","brand":"Victron","offers":[{"title":"Default Title","offer_id":43302272598077,"sku":"VIC-ORI481224120","price":238.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/victron-orion-tr-smart-48-12-20a-dc-charger-vic-ori481224120.webp?v=1782791202"}],"url":"https:\/\/www.solar4rvs.com.au\/collections\/dc-dc-charger-48v-to-12v.oembed","provider":"Solar 4 RVs","version":"1.0","type":"link"}