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:
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:
BigBattery 12V HUSKY 2 LiFePO4 Battery | 400Ah, 5.12kWh | Built-In BMS + Ring Terminal | 10-Year Warranty
- Regular price
- $1,790.00
- Sale price
- $1,790.00
- Regular price
-
$2,275.00
No obligation — get a custom quote in minutes
Lifetime Support on Every Order, Guaranteed.
BigBattery 12V HUSKY 2 LiFePO4 Battery | 400Ah, 5.12kWh | Built-In BMS + Ring Terminal | 10-Year Warranty
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"Amazing experience from start to finish. The team was incredibly helpful and the system is performing beyond expectations. Couldn't be happier with our decision."
"The whole process was seamless. From ordering to installation, everything was straightforward. Our electricity bill has dropped significantly!"
"Best investment we've made for our home. The customer support is outstanding — they walked us through every step of the setup process."
"We compared prices everywhere and this was by far the best deal. The quality of the panels is top-notch and installation guidance was superb."
"Great product and even better customer service. They helped us design the perfect system for our needs. Highly recommend to anyone considering solar."
"From the free proposal to the final install, everything exceeded our expectations. We're producing more energy than we consume most months!"
"Amazing experience from start to finish. The team was incredibly helpful and the system is performing beyond expectations. Couldn't be happier with our decision."
"The whole process was seamless. From ordering to installation, everything was straightforward. Our electricity bill has dropped significantly!"
"Best investment we've made for our home. The customer support is outstanding — they walked us through every step of the setup process."
"We compared prices everywhere and this was by far the best deal. The quality of the panels is top-notch and installation guidance was superb."
"Great product and even better customer service. They helped us design the perfect system for our needs. Highly recommend to anyone considering solar."
"From the free proposal to the final install, everything exceeded our expectations. We're producing more energy than we consume most months!"
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Frequently Asked Questions
Find the answers to some of the most common questions customers have before placing their order.
Yes. Our team can help you choose the right solar kit based on your goals, power needs, and location. We provide personalized guidance before and after your purchase at no additional cost.
Many of our customers complete the majority of installation themselves using our diagrams and support resources. For final electrical connections, a licensed electrician may be required depending on local codes.
While we do not directly install systems, we can help connect you with qualified local professionals and provide technical documentation to support your installer.
We stand behind our products. If you have specific questions about returns, eligibility, or specific product conditions, you can learn more in our help center linked below.
All components are backed by manufacturer warranties. In addition, our team provides free lifetime technical support to assist you throughout the life of your system.
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If you're ready to place your order, you can go ahead and checkout online right now. If you have questions, our friendly team of solar experts are happy to assist and can take your order over the phone. If you're interested in financing, you will find the application at checkout online. So whatever is best for you, we are happy to accommodate.
Our team works hard to process all orders within 24-48 hours. Most products ship directly to your door using the quickest, most cost effective ground shipping services depending on size. You’ll receive tracking details and delivery coordination as soon as your order ships. Our average shipping times are anywhere from 3-7 days.
You’ll have direct access to our support team via phone, email, and chat. Whether it’s setup guidance or troubleshooting years down the road, we’re here to help.
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