12-Year Warranty
Full Battery Coverage
Everything You Need, Included
Your complete 12V kit
3× 12V HUSKY 2 INV Lithium Battery 5.12kWh 400Ah
2× 4AWG (Black and Red) 21 inches Ring to Ring Terminal Cable- 12-Year Warranty
- U.S. Support
- LiFePO₄ Safety
12V 3X HUSKY 2 KIT
Choose Your Inverter Option*
Converts battery power to usable electricity.
Choose Your Battery Option*
Stores your energy for when you need it.
Choose Your Inverter Option*
Converts battery power to usable electricity.
BigBattery APEX-6.5K Off-Grid Inverter
EG4 6000XP (8kPV) OFF-GRID INVERTER
EG4 12000XP V2 OFF-GRID INVERTER
Victron MultiPlus-II 48/5000/70-95 120V
Victron MultiPlus-II 48/3000/35-50 120V (UL 1741)
EG4 18kPV All-in-One Hybrid Solar Inverter
EG4 FlexBOSS18 Hybrid Solar Inverter
EG4 FlexBOSS21 Hybrid Solar Inverter
NoneI already have an inverter Choose Your Battery Option*
Stores your energy for when you need it.
Items Included
Available For Backorder - Estimated To Ship By Mid October 2026
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Documents & Certifications
About this item
The 12V 3× HUSKY 2 INV Lithium Battery Kit is a high-capacity energy solution designed for RVs, camper vans, marine systems, and mobile off-grid applications. Combining three 12V 5.12kWh HUSKY 2 LiFePO₄ INV batteries (15.36kWh total), this system delivers extended runtime and reliable performance for demanding, multi-day power needs.
Built with Tier 1 LiFePO₄ cells, the HUSKY 2 batteries provide stable, high-efficiency energy with zero maintenance. The integrated advanced Battery Management System (BMS) ensures protection against overcharge, over-discharge, short circuit, and temperature extremes – delivering safe, consistent performance in all environments.
Designed for seamless system integration, the INV version includes inverter communication capability, enabling optimized coordination with compatible inverter systems. With IP65-rated enclosures, vibration-resistant construction, and built-in self-heating, this system performs reliably in rugged environments and cold climates.
With HUSKY app remote monitoring, users can track battery performance in real time, making this kit a smart, durable solution for mobile living, marine adventures, and off-grid power systems.
Ships From: Texas, USA
Warranty: 12 Years
Support: Lifetime USA-Based Tech Support
Compatibility
Integrated System:
- 3× HUSKY 2 INV 12V LiFePO₄ Batteries
System Compatibility:
- Designed for 12V inverter-based systems
- Compatible with supported inverter setups via communication protocols
- Ideal for RV, van, marine, and mobile off-grid applications
- Suitable for trolling motors and extended runtime systems
Key Features
- 15.36kWh Total LiFePO₄ CapacityExtended runtime for high-demand applications
- Inverter Communication (INV Version)Optimized integration with compatible inverter systems
- Tier 1 Lithium CellsSafe, stable, and long-lasting battery chemistry
- Advanced BMS ProtectionMulti-layer safety for voltage, current, and temperature
- IP65-Rated EnclosureBuilt for dust and water resistance
- Self-Heating FunctionReliable performance in cold climates
- Vibration-Resistant DesignIdeal for mobile and marine environments
- HUSKY App MonitoringReal-time battery tracking and remote access
- Deep-Cycle PerformanceBuilt for consistent daily use
- Lightweight & Scalable DesignEasy installation with expandable capacity
- Maintenance-Free OperationNo routine servicing required
- Long Cycle LifeDesigned for years of dependable performance
A high-capacity, scalable lithium battery system built for extended runtime, reliability, and seamless inverter integration in demanding mobile and off-grid applications.
- LEAD ACID REPLACEMENT
- CLASS A, B, & C RVs
- CAMPER VANS
- TOW-BEHIND TRAILERS
- MARINE SYSTEMS
- BOATS & YACHTS
- COMMERCIAL VEHICLES
- FOOD TRUCKS
- EMERGENCY BACKUP
- LIGHT TOWERS & SIGNS
Battery Downloads
DOWNLOADDOWNLOADDOWNLOAD
GO TO LINKGO TO LINKBattery Specifications
- LEAD ACID REPLACEMENT
- CLASS A, B, & C RVs
- CAMPER VANS
- TOW-BEHIND TRAILERS
- MARINE SYSTEMS
- BOATS & YACHTS
- COMMERCIAL VEHICLES
- FOOD TRUCKS
- EMERGENCY BACKUP
- LIGHT TOWERS & SIGNS
Battery Downloads
DOWNLOADDOWNLOADDOWNLOADGO TO LINKGO TO LINKBattery Specifications
Frequently Asked Questions
How many batteries do I need for an off-grid cabin?
For a seasonal cabin running lights, a fridge, water pump and small appliances, three Husky 2 batteries at 15.36kWh covers roughly two to three days without sun. Full-time living, electric heat or air conditioning pushes you higher. Work out your daily kWh use first, then size the bank to cover two to three days of it.
Is 15kWh enough for off-grid living?
It depends on your loads, not your square footage. A household using around 5kWh a day of essentials gets about three days from 15.36kWh. Add electric water heating, air conditioning or a well pump and the same bank can be down inside a day. Propane for heat and cooking stretches a 15kWh bank a long way.
How much battery storage do I need for a small house?
Most small off-grid homes land between 15kWh and 30kWh. The 3x Husky 2 kit sits at the lower end of that at 15.36kWh, which suits a home with gas heat and cooking. All-electric homes generally need double. The Husky 2 parallels up to 16 units, so you can start here and expand.
What size battery bank do I need for my solar system?
Match the bank to your daily consumption, not your panel array. A common rule is two to three days of autonomy, so a home using 5kWh a day wants 10kWh to 15kWh. Then size solar to replace a full day's use in your worst month, which usually means 3 to 4kW of panels for a 15kWh bank.
Should I use 12V or 48V for a 15kWh bank?
At 15kWh, 48V is usually the better architecture: lower current, thinner cable runs and access to split-phase inverters. The 12V 3x kit makes sense when you are expanding an existing 12V system, running mostly DC loads, or working in a van or boat that is already 12V throughout.
12V 3X HUSKY 2 KIT
