Big Battery | 12V 3X HUSKY 2 KIT
12V 3X HUSKY 2 KIT – 15.36kWh LiFePO4 Battery System for RVs, Marine, and Off-Grid Power
Power your adventures with the 12V 3X HUSKY 2 KIT, BigBattery’s next-gen lithium solution delivering 15.36kWh of dependable, long-lasting energy. Engineered for RVs, camper vans, trolling motors, marine systems, and off-grid setups, this triple-pack kit combines extreme energy density with unmatched reliability.
Advanced Lithium Technology for Every Journey
The 12V 3X HUSKY 2 KIT uses Tier 1 LiFePO4 (Lithium Iron Phosphate) cells, offering maximum safety, performance, and cycle life. With a broad operating range and a self-heating function, these batteries ensure consistent power delivery in all climates—from icy mornings on the lake to scorching days off-grid.
Protected by a rugged, IP65-rated enclosure, and managed by a smart BMS with auto-balancing, this kit is built to withstand the harshest conditions while protecting your investment. Real-time battery monitoring is easy with RS485 and CANBus communication, giving you full visibility and control over your system.
Key Specs & Features:
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Total Energy Capacity: 15.36kWh (3 x 5.12kWh HUSKY 2 Batteries)
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System Voltage: 12V DC
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Battery Type: Tier 1 LiFePO4
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Smart BMS: Auto-balancing, over-voltage, short circuit, and thermal protection
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Communication: CANBus & RS485 enabled
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Cold Weather Performance: Self-heating function for sub-zero operation
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Build Quality: Industrial-grade IP65-rated casing
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Installation: Plug-and-play system, all cables included
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Maintenance: Zero-maintenance design
Ideal For:
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RV and Camper Van Battery Upgrades
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Trolling Motors & Marine Power Systems
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Off-Grid Solar Energy Storage
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Mobile Power Banks & Emergency Backup
What's Included
3 × 12V HUSKY 2 - LiFePO4 - 400Ah - 5.12kWh
2 × 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
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Frequently Asked Questions
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