Big Battery | 12V 4X HUSKY 2 KIT – AIMS
Unleash the Power of the 12V 4X HUSKY 2 KIT – AIMS: The Ultimate Mobile Energy Solution
BigBattery’s 12V 4X HUSKY 2 KIT – AIMS delivers an impressive 20.48kWh of LiFePO4 energy storage, making it the ideal choice for RVs, camper vans, boats, small yachts, trailers, and off-grid or backup power systems. Designed for high-capacity, high-efficiency output, this kit sets the standard for mobile and off-grid power performance.
Built for Heavy-Duty Performance
The HUSKY 2 is BigBattery’s most energy-dense 12V battery system yet, utilizing premium Tier 1 LiFePO4 cells for exceptional durability, cycle life, and reliability. Whether you're navigating rough terrain or cruising remote waters, this kit offers:
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Long-lasting 20.48kWh capacity
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Advanced Battery Management System (BMS)
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Over/under voltage, overcurrent, and thermal protection
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Wide temperature operating range with automatic self-heating for cold-weather charging
Rugged Design with Intelligent Control
Encased in a rugged, IP65-rated, vibration-resistant housing, each HUSKY 2 battery is built to withstand demanding environments. The BMS features auto-balancing and full support for CANBus and RS485 communication, giving you detailed insight into system performance and control from anywhere.
Premium 2000W Inverter/Charger from AIMS Power
This kit is paired with a powerful 2000W inverter/charger featuring:
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300% surge capacity for powering high-start appliances
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Automatic frequency detection (50Hz/60Hz)
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Power factor correction
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Multi-stage charging for enhanced battery longevity
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AC transfer switch for seamless switching between grid, solar, or battery power
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Low-frequency transformer for low harmonic distortion and quiet operation
Perfect for mobile applications and off-grid homes, this inverter/charger ensures clean, reliable power with minimal noise or inefficiency.
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!
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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