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
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!
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! All products on Solar Guys Pro are 100% brand-new and in perfect condition.
We do not sell any used or refurbished items.
Frequently Asked Questions
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