BigBattery 12V HUSKY 2 LiFePO4 Battery | 400Ah, 5.12kWh | Built-In BMS + Ring Terminal | 10-Year Warranty

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:

• Massive Capacity: 400Ah and 5.12kWh of 12V power in a single unit.

• DIY Installation: Pre-installed ring terminals make setup quick and hassle-free.

• Safe & Efficient: Built-in smart BMS protects against overcharging, short circuits, and more.

• Long Lifespan: 3,000–5,000+ cycles with 10+ years of usable life.

• Compact & Portable: Space-saving design fits easily into RVs, vans, or home systems.

• Versatile Use: Perfect for off-grid living, van builds, backup power, or marine applications.

• Legendary Support: Backed by a 10-year warranty and Shop Solar’s top-rated customer service.

Specifications:

• Voltage: 12.8V

• Capacity: 400Ah (5.12kWh)

• Max Continuous Discharge: 150A

• Dimensions: 20.6” x 10.2” x 9.8”

• Weight: 103.6 lbs

• Connector: 5/16" Ring Terminal

• 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:

• 12V Husky 2 User Manual
• 12V Husky 2 Product Specifications