Big Battery | 12V 2X HUSKY 2 KIT
12V 2X HUSKY 2 KIT – 10.24kWh LiFePO4 Battery for RV, Marine & Off-Grid Applications
Step into second-generation lithium power with the 12V 2X HUSKY 2 KIT—BigBattery’s top-tier 12V solution built for high-performance energy storage on the move. Delivering 10.24kWh of reliable power across two advanced HUSKY 2 batteries, this kit is perfect for RVs, camper vans, trolling motors, boats, and 12V off-grid solar setups.
High Capacity. Rugged Design. Intelligent Performance.
Each unit in the 12V 2X HUSKY 2 KIT is equipped with Tier 1 LiFePO4 (Lithium Iron Phosphate) cells, offering unmatched safety, energy density, and lifespan. The batteries are encased in IP65-rated waterproof and dustproof housing, ideal for challenging outdoor and marine environments.
Built with an auto-balancing BMS, self-heating system, and CANBus + RS485 communication protocols, you get precision monitoring, extended temperature resilience, and consistent performance, even in freezing conditions.
Key Features:
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Total Capacity: 10.24kWh (2 x 5.12kWh HUSKY 2 Batteries)
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Voltage: 12V DC
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Chemistry: Tier 1 LiFePO4
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Battery Management System: Smart BMS with auto-balancing & full safety suite
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Cold Weather Ready: Self-heating function for low-temp operation
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Communication: CANBus & RS485 for real-time monitoring
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Durability: IP65-rated for water & dust resistance
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Installation: Plug-and-play design, cables & components included
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Maintenance: 100% maintenance-free operation
Perfect for:
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RV and Vanlife Power Systems
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Marine & Trolling Motor Applications
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Off-Grid Solar Battery Banks
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Mobile Power for Camping, Boondocking, or Emergency Use
What's Included
2 × 12V HUSKY 2 - LiFePO4 - 400Ah - 5.12kWh
1 × 4AWG (Black and Red) 21 inches Ring to Ring Terminal Cable
Specs and Downloads
Single Battery Tech Specs
| SKU: | FHSKY-12051-G2 |
| System Voltage: | 12V |
| Nominal Voltage: | 12.8V |
| Chemistry: | LiFePO4 |
| kWh Capacity: | 5.12kWh |
| Ah Capacity: | 400Ah |
| Charging Voltage Range: | 13.9V - 14V |
| Max Charge Voltage: | 14.4V |
| Operating Voltage Range: | 12V - 14.4V |
| Suggested Low Voltage Cutoff: | 12V - 12.7V |
| BMS Cutoff Range: | 10.5V - 11.75V |
| Cell Configuration: | 4S |
| Max Continuous Discharge Current: | 300A |
| Max Continuous Power: | 5120W |
| Max Discharge Peak Current: | 350A (Max 5 seconds) |
| Max Charge Current: | 200A |
| Charge Temperature Range: | -4°F - 113°F (-20°C - 45°C) |
| Discharge Temperature Range: | -4°F - 131°F (-20°C - 55°C) |
| Optimal Discharge Temperature Range: | 59°F - 95°F (15°C - 35°C) |
| Storage Temperature Range: | -4°F - 113°F (-20°C - 45°C) (Max 6 months) |
| Weight: | 95 lb (43.1 kg) |
| Depth: | 12.6 in (320 mm) |
| Width: | 18.1 in (460 mm) |
| Height: | 9.8 in (249 mm) |
| Max Connections: | Up to (16) Parallel |
| Protection Rating: | IP65 / NEMA 4X |
| Communications: | CANBus / RS485 |
| Self-Heating: | Yes |
Are Solar Guys Pro Authorized Retailers?
Yes! We are proud to be one of the few online retailers who are authorized retailers for every single product we carry!
Being an authorized retailer means we carry the same warranty as the manufacturer, protecting your purchase!
When Will My Order Ship?
Most orders ship within 1–3 business days. You’ll get a tracking number as soon as it ships via email!
Do We Accept Returns?
Yes absolutely, we have a no-hassle, 30-day return policy on all items! To refer to the full policy, click HERE
Are Products Brand New?
Yes! By default, all products on Solar Guys Pro are 100% brand-new and in perfect condition.
If an item is used or refurbished, it will clearly indicate so in the title of the product as well as the discription.
For example, a used Battery will say:
XYZ Battery | 48V 100AH (REFURBISHED)
If you'd like to confirm, you can always send us a email at info@solarguyspro.com
Orders over $500 include a FREE (Normally $149.99) 80-Page DIY Solar eBook — added automatically at checkout.
Frequently Asked Questions
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