BigBattery · Batteries
SKU: FHSKY-12051-G2
BigBattery 12V Husky 2 LiFePO4 Battery
Power your off-grid system, RV, or backup setup with the BigBattery 12V Husky 2, a high-capacity, lithium iron phosphate battery designed for reliable, long-term energy storage.
- Regular price
- $1,450.00
- Sale price
- $1,450.00
- Regular price
-
$2,275.00
Questions before you buy?
Call 877-242-2792 and we’ll work it out with you. Mon–Thu 10am–5:30pm, Fri 10am–1pm EST.
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Specifications
The details.
Power your off-grid system, RV, or backup setup with the BigBattery 12V Husky 2, a high-capacity, lithium iron phosphate battery designed for reliable, long-term energy storage. Delivering 5.12kWh of power and 400Ah of capacity, this 12V battery packs serious performance into a compact, plug-and-play solution.
With an integrated BMS, pre-installed 5/16" ring terminals, and ultra-safe LiFePO4 chemistry, the Husky 2 is engineered for effortless DIY installation and years of maintenance-free use.
Key Features:
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Massive Capacity: 400Ah and 5.12kWh of 12V power in a single unit.
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DIY Installation: Pre-installed ring terminals make setup quick and hassle-free.
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Safe & Efficient: Built-in smart BMS protects against overcharging, short circuits, and more.
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Long Lifespan: 3,000–5,000+ cycles with 10+ years of usable life.
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Compact & Portable: Space-saving design fits easily into RVs, vans, or home systems.
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Versatile Use: Perfect for off-grid living, van builds, backup power, or marine applications.
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Legendary Support: Backed by a 10-year warranty and Shop Solar’s top-rated customer service.
Specifications:
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Voltage: 12.8V
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Capacity: 400Ah (5.12kWh)
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Max Continuous Discharge: 150A
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Dimensions: 20.6” x 10.2” x 9.8”
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Weight: 103.6 lbs
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Connector: 5/16" Ring Terminal
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Operating Temp: -4°F to 140°F
Upgrade to a battery built for serious energy independence, without the complexity or contractor fees.
User Manual / Specifications:
- 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
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