Big Battery | 12V 4X HUSKY 2 KIT – AIMS
Overview
Unleash the Power of the 12V 20.48kWh LiFePO4 HUSKY 2 Kit: The Ultimate Mobile Energy Solution!
BigBattery’s new 12V HUSKY 2 Kit delivers an industry-leading 20.48kWh of energy storage, making it the perfect solution for RVs, camper vans, boats, small yachts, trailers, and other mobile or off-grid power systems. Offering unmatched efficiency, reliability, and high-ampacity performance, this next-generation lithium battery is built to handle even the most demanding power needs.
The HUSKY 2 is the most energy-dense 12V system we’ve ever created, using Tier 1 LiFePO4 cells to deliver outstanding versatility and durability. With a wide operating temperature range and advanced thermal management, this battery is designed to perform in any environment—from the open water to remote wilderness. The built-in Battery Management System (BMS) offers protection against over/under voltage, overcurrent, and more, giving you complete peace of mind during operation, no matter the conditions.
Designed for safety and reliability, the HUSKY 2 comes in a rugged, IP65-rated, vibration-resistant case. The advanced BMS includes auto-cell balancing and supports both CANBus and RS485 communication protocols, providing real-time insights into your system’s performance. For those cold-weather users, the self-heating function ensures reliable charging even in low temperatures, making it perfect for year-round use.
Paired with the 12V HUSKY 2 is a powerful 2000W inverter/charger from AIMS Power. This unit boasts a 300% surge capability, automatic frequency detection, power factor correction, and multi-stage charging. The integrated AC transfer switch ensures seamless transitions between grid, solar, and battery power, ensuring a smooth, uninterrupted power experience. With its low-frequency transformer, this inverter minimizes harmonic distortion, delivering clean, efficient power while operating quietly and reliably.
With the 12V HUSKY 2, you’re getting a compact, lightweight, and efficient power solution that’s ready for anything. Whether you’re powering an off-grid home, setting out on an adventure, or preparing for a backup power setup, this system has you covered.
What's Included
4 × 12V HUSKY 2 - LiFePO4 - 400Ah - 5.12kWh
1 × Aims 2000 Watt Pure Sine Inverter Charger with Transfer Switch
3 × 4AWG (Black and Red) 21 inches Ring to Ring Terminal Cable
3 × Parallel Comm 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 |
Spec Sheet
User Manual
Safety Data Sheet
CE Certificate
UN38.3 Certificate
