Description
The 12V HUSKY 2 delivers 5.12kWh (400Ah) of reliable LiFePO₄ power for RVs, camper vans, and marine setups. Built with Tier 1 LFP cells, IP65 casing, self-heating, and an advanced BMS, it ensures safe, year-round performance with unmatched durability and efficiency.

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 |
| Spec Sheet Download: | Spec Sheet |
| User Manual Download: | User Manual |
| Safety Data Sheet Download: | Safety Data Sheet |
| Mobile App: | ![]() ![]() |
Designed For 48V 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






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