Genasun 5A MPPT 12V Lithium Solar Charge Controller w/ Load Output & LVD
Genasun 5A MPPT 12V Lithium Solar Charge Controller w/ Load Output & LVD
Made in the USA - 10 year warranty

Highlights:Status Indicators: LED chart indicating Standby, Charging, Full, and Error states,Terminal Block: 6-position terminal block for Panel, Battery, and Load connections,Input/Output Ratings: Clear labelling for 27V Max Panel input and 5A Load output limits,Mounting Flanges: Integrated mounting holes for secure installation.

Simple wiring schematic: Connect the Solar Panel, 12V Battery, and Load devices to the clearly marked positive and negative terminals on the controller.
Key features: Fast 15Hz MPPT tracking speed, Radio silent operation for sensitive equipment, Lightweight and compact design (80g), Performs in extreme conditions (-40°C to 85°C), Made in the USA. 
DESCRIPTION
Genasun GV-5 Lithium: Advanced Solar Charge Controller for Unmatched Performance
Mission-Critical Reliability for Extreme Conditions
Discover unmatched reliability with the Genasun GV-5 Solar Charge Controller, designed for lithium batteries. Deployed in the most remote and challenging locations on Earth, this USA-made controller endures extreme conditions, from harsh Antarctic winters to the upper atmosphere. Each unit undergoes rigorous electrical testing, ensuring it's ready for your mission-critical power needs.
Innovative Ceramic Technology for Longevity
Genasun sets a new standard in controller reliability with its ceramic, electrolytic-free design. Traditional controllers degrade over time due to fluid electrolytes that evaporate in heat. The Genasun GV-5, free from these vulnerabilities, boasts an industry-leading 10-year warranty, ensuring enduring performance without heat wear-out.
High-Speed MPPT for Optimal Energy Harvest
Experience the most efficient power point tracking with Genasun's advanced MPPT technology. Unlike typical controllers that perform voltage range sweeps every 30-60 seconds, the GV-5 adapts to changing light conditions 20 times per second, ensuring maximum energy harvest even during cloud cover or shade.
Advanced Lithium Charging for Maximum Battery Life
Benefit from Genasun's nine years of experience in lithium battery technology. Our tailored charging algorithms extend your battery's capacity and cycle life, making the GV-5 a smart investment for your energy system.
Key Features:
- 99.85% Peak Efficiency
- Electrolytic-Free, Ceramic Capacitors
- High-Speed MPPT with Advanced Electronic Protections
- 10-Year Warranty
- Ultra-Low Power Consumption (0.15mA)
- Ideal for Partial Shade and In-City Applications
- Complete Power Management with Load Output and Low Voltage Disconnect (LVD)
- Radio Frequency Noise Elimination
- Fanless and Relay-Free Design for Enhanced Durability
Excellence in Power Management and Protection
The GV-5 is not just a charge controller – it's a complete power management solution. It maximizes solar power collection, extends battery life, and provides smooth, filtered power for your load. Its steady power source ensures reliability in unpredictable conditions, making it ideal for both off-grid and urban applications.
Designed for Safety and Ease of Use
Advanced error protections guard against common mishaps like reverse polarity or short circuits. The controller's fault tolerance features include electronic reverse-battery and panel protection, and load short-circuit protection, ensuring safety and peace of mind.
Exceptionally Low Power Consumption for Storm Survival
The Genasun GV-5 stands out with its extraordinarily low power burn. In standby mode, it consumes just 0.125mA, and under low light conditions while charging, less than 0.2mA. This efficiency is crucial for enduring periods of minimal sunlight, such as during a snow-covered panel or extended cloudy weather, ensuring your system remains functional.
Enhanced Performance in Partial Shade
In urban or partially shaded environments, the Genasun GV-5 excels where others falter. Its advanced MPPT technology boosts power output by up to 50% in partial shade conditions, mitigating the effects of obstructions like tree branches or incidental shading from pedestrian activities. This feature is essential for maintaining consistent power in in-city applications.
Durable Design with No Fans or Relays
Designed for longevity, the Genasun GV-5 eliminates the need for fans and relays – components that are prone to wear and failure. This advanced electrical design enhances durability, ensuring the controller outlasts conventional models.
Elimination of Radio Frequency Interference
Genasun has meticulously engineered the GV-5 to eliminate radio frequency noise, a common issue in many MPPT controllers. This attention to detail ensures energy efficiency and prevents interference with nearby electronics, achieving exceptional FCC compliance. During third-party testing of the GV-5 for FCC compliance, the test engineer asked us, “Is it on?” Mission accomplished.
Embrace the Genasun GV-5 for a solar charge controller that epitomizes efficiency, reliability, and adaptability, perfect for keeping your system operational in any condition.
SPECIFICATIONS
Product Specifications
| Specifications | GV-5-Li-14.2V |
|---|---|
| Battery Type: | 12V (4S) LiFePO4 |
| Rated Panel Power: | 65W |
| Rated Battery (Output) Current: | 5A |
| Max Input Voltage: | 27V |
| Recommended Max Panel Voc at STC: | 22V |
| Min Battery Voltage for Normal Operation: | 7.2V |
| Trickle Charge to Recover Dead (0V) Battery: | Yes |
| Max Input Short Circuit Current:1 | 5A |
| Continuous Rated Load Current: | 5A |
| Max Input Current:2 | 9A |
| Electrical Efficiency: | 96% – 99.85% typical |
| Operating Consumption: | 0.150mA (150µA) |
| Standby Consumption: | 0.125mA (125µA) |
| Charge Profile: | CC/CV |
| CV Voltage: | 14.2V |
| Load Disconnect (LVD)/Reconnect Voltage: | 11.0V / 12.0V |
| Battery Temperature Compensation: | Disabled |
| Operating Temperature: | -40 °C – 85 °C |
| Max Full Power Operating Ambient:3,4 | 45°C |
| Tracking Efficiency: | 99+% typical |
| MPPT Tracking Speed: | 15Hz |
| Environmental Protection: | IP40, Conformal Coating, Nickel-Plated Brass & Stainless Hardware |
| Connection: | 6-position terminal block for 12 – 30 AWG wire |
| Weight: | 2.8oz (80g) |
| Dimensions: | 4.3" x 2.2" x 1.14" (11 cm x 5.6 cm x 2.9 cm) |
| Warranty: | 10 years |
| Certifications: | CE, FCC, and RoHS |
1. Panel Isc. Maximum input power and maximum input voltage requirements must also be respected. 2. Maximum current that the controller could draw from an unlimited source. This specification is not intended for determining PV input. 3. 16V input, 13V output, GV-5 vertically (wall) mounted 4. At high ambient temperatures and input voltages, the GV-5 will automatically limit charging power to keep its internal temperature to a level safe for long-term operation. When limiting in this manner, the LED will display the "Current Limit" blinks. Moving the GV-5 to a cooler location or providing increased airflow may increase charging power.
| SKU: | GV-5-Li-14.2V |
| Model #: | GV-5-Li-14.2V |
| MPN: | GV-5-Li-14.2V |
WARRANTY
Genasun Warranty Policy
This warranty policy applies to Genasun solar charge controllers supplied by us in Australia. As the Australian supplier or importer of these products, we support warranty claims for Genasun products supplied by us in accordance with the applicable manufacturer warranty and Australian Consumer Law.
Genasun solar charge controllers supplied by us are covered against defects in materials and workmanship for the warranty period applicable to the relevant product model range, subject to the product being selected, installed, operated, stored and maintained correctly and in accordance with the manufacturer's instructions.
This warranty applies to the original end-user purchaser of the product, as evidenced by a valid proof of purchase. The benefits given by this warranty are in addition to other rights and remedies available under law.
Warranty Coverage and Periods
This warranty covers Genasun solar charge controllers supplied by us. The warranty periods for each product model range are set out below.
| Genasun Product Model Range | Warranty Length | Application / Notes |
|---|---|---|
| Genasun GV-5 Solar Charge Controllers | 120 months | Applies to all Genasun GV-5 charge controller models, including lead-acid and lithium variants, where installed and operated in accordance with the manufacturer's instructions. |
| Genasun GV-5-MOD Solar Charge Controller Modules | 120 months | Applies to all Genasun GV-5-MOD charge controller module models, including lead-acid and lithium variants, where installed and operated in accordance with the manufacturer's instructions. |
| Genasun GV-4 Solar Charge Controllers | 60 months | Applies to all Genasun GV-4 charge controller models, including lead-acid and lithium variants, where used within the product's rated specifications. |
| Genasun GV-10 Solar Charge Controllers | 60 months | Applies to all Genasun GV-10 charge controller models, including lead-acid and lithium variants, where used within the product's rated specifications. |
| Genasun GVB-8 Boost Solar Charge Controllers | 60 months | Applies to all Genasun GVB-8 boost charge controller models, including lead-acid and lithium variants, where correctly selected for the solar panel and battery voltage being used. |
| Genasun GVB-8-WP Waterproof Boost Solar Charge Controllers | 60 months | Applies to all Genasun GVB-8-WP waterproof boost charge controller models, including lead-acid and lithium variants, where installed and operated within the product's rated specifications. |
The warranty period begins on the date the product is sold to the original consumer purchaser, as shown on the valid proof of purchase. A valid proof of purchase identifying the purchaser and date of purchase is required for all warranty claims.
Installer Responsibilities and System Design
Genasun solar charge controllers are installed into broader solar charging, battery charging, vehicle, marine, RV, off-grid or industrial electrical systems. Once installed, the product forms only one component of a larger system.
We do not provide installation services unless expressly stated in writing, and we do not supervise or control installation practices carried out by dealers, installers, contractors or end-users. The installer, system designer, integrator, dealer or end-user is responsible for ensuring that the product is suitable for the intended application and is installed correctly.
Issues or damage arising from incorrect installation, poor system design, incorrect configuration, incompatible equipment, inadequate protection, unsuitable mounting, unsuitable environmental conditions or failure to follow the manufacturer's instructions are not product defects and are not covered by this warranty.
Appropriate Installation
All Genasun solar charge controllers must be installed in accordance with the product manual, the manufacturer's installation instructions, applicable Australian Standards, relevant electrical, automotive, marine, solar or industry standards, and recognised industry best practice.
The installer must ensure that the product is used in an appropriate environment and within its specified ratings. Improper, unsafe, unlicensed, sub-standard or non-compliant installation may void or limit warranty coverage.
System Compatibility
The installer or integrator is responsible for selecting and using compatible components. This includes ensuring compatibility with solar panels, batteries, battery chemistry, battery voltage, charge profiles, loads, wiring, fuses, circuit breakers, connectors, mounting hardware and any other connected equipment.
Damage or underperformance caused by incompatible, incorrectly configured, undersized, oversized, unsuitable or improperly installed equipment is not covered by this warranty.
System-Wide Performance
Overall system performance depends on design, installation, configuration, solar panel selection, battery condition, usage, maintenance and environmental factors beyond the Genasun product itself. This warranty covers the quality of the individual Genasun solar charge controller supplied by us only. It does not guarantee the performance of the broader solar or electrical system into which the product is installed or integrated.
Issues such as insufficient charging, poor solar performance, incorrect battery charging, battery damage, voltage drop, nuisance faults, overheating, intermittent operation or operational shortfalls caused by system design, installation, configuration or connected equipment are outside the scope of this warranty.
Installation Location and Environmental Suitability
The installer must ensure that Genasun solar charge controllers are mounted, located, supported, ventilated and protected in a manner suitable for the installation environment.
Where relevant, the installer must allow for heat dissipation, ventilation, moisture exposure, dust, vibration, corrosion risk, electrical clearance, mechanical loading, access for inspection and service, and protection from unsuitable environmental conditions.
Damage caused by unsuitable mounting, inadequate ventilation, moisture, water ingress, dust, corrosion, excessive heat, vibration, insufficient clearance, unsuitable substrate selection or other installation environment issues is not a manufacturing defect and is not covered by this warranty.
System Protection and Fault Isolation
The installer must incorporate suitable protective devices and design measures appropriate to the product and installation type. This may include correctly rated fuses, circuit breakers, isolators, over-current protection, over-voltage protection, reverse-polarity protection, surge protection, correct cable sizing and other protective devices required by standards or best practice.
The installer is responsible for ensuring that a fault or failure in one component does not cause cascading damage to other components. Damage to Genasun products caused by inadequate system protection, poor fault isolation, incorrect protection settings or missing safety devices is not covered by this warranty.
Service Accessibility Requirement
Products must be installed in a manner that allows reasonable access for inspection, testing, servicing, removal and replacement. We are not responsible for additional labour, structural modification, access equipment, removal of fixtures, cabinetry, panels, flooring, trim, sealants, adhesives or other costs arising from installation methods that restrict reasonable access to the product.
Installation Documentation
We may require documentation of the installation when assessing a warranty claim. This may include photos of the product in its installed location, wiring diagrams, system layout, solar panel details, battery details, serial numbers, details of connected equipment, installer details, commissioning records, service history, fault logs, operating settings and maintenance records.
Failure to provide reasonable installation evidence may limit our ability to assess the claim.
Independence of Dealers and Installers
Dealers, resellers, installers and contractors act independently and are not agents, employees or representatives of Genasun, Sunforge or us unless expressly agreed in writing. We are not responsible for the acts, omissions, workmanship, advice, representations, installation practices or system design decisions of independent dealers, resellers, installers, contractors or third parties.
What This Warranty Does Not Cover
This warranty covers manufacturing defects or failures of the product arising from normal use in accordance with the manufacturer's instructions. It does not cover any failure, damage, performance issue, deterioration or loss caused wholly or partly by external factors, misuse, incorrect installation or circumstances outside the manufacturer's control.
- Incorrect installation, wiring, connection or configuration
- Incorrect product selection or application
- Use outside the product's intended purpose
- Operation outside the product's rated technical specifications
- Incorrect solar panel voltage, battery voltage, battery chemistry or charge profile
- Failure to follow the manufacturer's storage, usage, installation, operation or maintenance instructions
- Alteration, modification, disassembly or tampering
- Repair or service not carried out by a manufacturer-authorised repair facility
- Application of foreign substances or contamination
- Improper operation, misuse, abuse or neglect
- Physical impact, accidental damage or mechanical damage
- Corrosion or environmental damage outside the product's rated specifications
- Lightning, surge damage or other acts of God
- Use with incompatible, incorrectly rated or improperly configured third-party components
- Damage caused by inadequate fusing, circuit protection, isolation or system protection
- Damage caused by moisture, water ingress, dust, corrosion or unsuitable installation environments
- Damage caused by excessive heat, inadequate ventilation or installation in an unsuitable location
- Damage caused by vibration, movement, poor mounting or inadequate support
- Normal wear and tear, cosmetic ageing, cosmetic deterioration or surface marks that do not affect product function
- Failure to carry out reasonable inspection, cleaning, maintenance or servicing where required
- Products with removed, altered, damaged or illegible serial numbers, rating labels or identification markings
- Products purchased second-hand, from unauthorised channels, auction sites, liquidation sales or grey-market sources
- Labour costs for removal, replacement, reinstallation or diagnosis
- Freight, travel, call-out costs or access costs unless otherwise required by law
- Products not returned for assessment when reasonably required
- Consequential or incidental loss, including damage to other equipment, downtime, loss of use, loss of revenue or economic loss, to the extent permitted by law
Warranty Assessment and Remedy
If a Genasun solar charge controller supplied by us is found to be defective within the applicable warranty period, we will, at our discretion and subject to the requirements of Australian Consumer Law, arrange a repair, replacement, store credit, refund or another appropriate remedy.
Products may need to be returned for assessment before a warranty claim can be approved. Where required, the product must be returned with dated proof of purchase, product details, serial number if available, installation information and a clear description of the fault.
If the product is required to be returned to Genasun, Sunforge or another nominated assessment location for inspection or repair, a return authorisation process may be required before the product is sent. Products sent without the required return authorisation or documentation may not be processed.
If a product is assessed and found not to be defective, or the issue is found to be caused by an excluded factor, the claim may be rejected. In that case, assessment fees, freight, insurance and return costs may be payable by the customer to the extent permitted by law.
Labour costs for removing, replacing, reinstalling or diagnosing a product are not covered by this express warranty unless otherwise required under Australian Consumer Law.
Making a Warranty Claim
If you suspect a fault with a Genasun product supplied by us, do not immediately remove or uninstall the product unless it is unsafe to leave it in place or unless authorised as part of the warranty process. Premature removal may cause further damage or make it difficult to determine the original cause of the issue.
- Contact us: Contact us with your dated proof of purchase, product model, serial number if available, and a description of the fault.
- Provide product and installation information: We may request installation photos, wiring details, solar panel details, battery details, connected equipment details, operating settings, measurements or service history to assist with assessment.
- Assessment and troubleshooting: We may ask for safe checks, photos, voltage readings, current readings, testing information or other details to determine whether the issue appears to be a product fault or is caused by installation, configuration, connected equipment, environment or misuse.
- Return for inspection if required: If the fault cannot be confirmed remotely, the product may need to be returned for inspection, testing, repair or replacement assessment. Return instructions will be provided where required.
- Outcome: If the product is confirmed to be faulty and covered by this warranty, we will advise the available remedy. If the product is found not to be faulty, or the issue is caused by an excluded factor, the claim may be rejected.
Remedies Under Warranty
If a defect covered by this warranty is confirmed, we may provide one or more of the following remedies, subject to the circumstances of the claim and the requirements of Australian Consumer Law:
- repair of the product;
- replacement of the product;
- store credit;
- refund;
- supply of replacement parts; or
- another appropriate remedy required by law.
Repair or replacement under this warranty does not restart or extend the original warranty period. The warranty continues from the original purchase date.
Manufacturer Support
Genasun products may be assessed, repaired or replaced through Sunforge, Genasun or another nominated service process. Where available, we may assist customers in arranging assessment, but any manufacturer service is subject to the manufacturer's own process, requirements and continued availability.
Where a manufacturer return authorisation is required, the product must not be sent until the required authorisation has been issued and the return instructions have been provided.
Australian Consumer Law
This warranty is in addition to other rights and remedies available at law. Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

















































