Big Battery | 12V 4X HUSKY 2 KIT – AIMS + CHARGER
Introducing the 12V 4X HUSKY 2 KIT – AIMS + CHARGER: The Ultimate Power Storage Solution
BigBattery’s 12V 4X HUSKY 2 KIT – AIMS + CHARGER is a high-capacity, all-in-one lithium power system engineered for maximum performance, reliability, and flexibility. Delivering a massive 20.48kWh of clean, efficient LiFePO4 energy, this kit is ideal for powering RVs, camper vans, trailers, boats, small yachts, off-grid cabins, or mobile backup power setups.
Unmatched Energy Density and Performance
This kit features Tier 1 LiFePO4 cells, making it BigBattery’s most energy-dense 12V solution to date. It offers:
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Long cycle life and deep discharge capability
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Stable performance across extreme temperature ranges
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Total system capacity of 20.48kWh
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Modular setup with 4 HUSKY 2 units for scalable storage
Rugged, All-Weather Ready
Built for real-world conditions, each battery is housed in a vibration-resistant, IP65-rated enclosure, protecting against water, dust, and rough handling. An integrated self-heating function ensures cold-weather compatibility—allowing safe charging and discharging even in freezing conditions.
Smart BMS + Communication Ready
The integrated Battery Management System (BMS) provides comprehensive safety features:
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Over/under-voltage protection
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Overcurrent and temperature protection
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Automatic cell balancing
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CANBus & RS485 communication for system monitoring and integration
AIMS 2000W Pure Sine Inverter + Smart Charger
The included AIMS Power 2000W inverter delivers smooth pure sine wave output, making it safe for sensitive electronics and appliances. Benefits include:
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Quiet, cool operation
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Efficient DC to AC conversion
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Robust overload, short-circuit, and thermal protections
Also included is a smart lithium-compatible charger, ensuring fast, safe recharging of your HUSKY 2 battery bank.
Ideal For:
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Off-grid homes and tiny houses
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RV and van life setups
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Marine applications (boats, yachts)
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Backup and emergency power stations
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Remote workstations and mobile energy needs
Key Features:
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Voltage: 12V
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Total Energy: 20.48kWh
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Inverter: 2000W AIMS Pure Sine Wave
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Charger Included: Yes
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Chemistry: LiFePO4 (LFP)
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Communication Protocols: CANBus & RS485
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Protection: BMS with auto-balancing, self-heating, and full safety coverage
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Enclosure: IP65-rated, vibration-resistant
What's Included
4 × 12V HUSKY 2 - LiFePO4 - 400Ah - 5.12kWh
1 × Aims 2000 Watt Pure Sine Wave Inverter ETL Listed to UL 458
1 × 12V 110V AC 60A Lithium Charger (14.6V DC)
1 × 4AWG 4FT BB175 to Ring Terminal Cable
3 × Parallel Comm Cable
3 × 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 |
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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