Power your adventures with this rugged LiFePO4 battery, built with a reinforced metal case for superior safety, fire resistance, and long-term durability. Designed for RVs, vans, and off-grid systems, it features built-in mounting feet for easy installation without extra battery boxes. Stay in control with Bluetooth monitoring and a smart BMS that protects against overcharge, overheating, and cold-weather charging. Equipped with premium Grade A cells and a powerful 250A BMS, it delivers reliable, high-performance energy—even on rough terrain—making it the ideal solution for mobile and off-grid power needs.

Technical Specifications
12v 400ah
Rated Capacity
400Ah
Rated Voltage
12.8V
Operation Voltage
10-14.6V
Standard Charge/Discharge
200A/200A
Maximum Continuous Charge/Discharge
250A/250A
Peak Current
300A/30S
Supported Series-parallel Modes
2P, 3P, 4P, 2S, 3S, 4S, 2P2S, 2P3S, 2P4S, 3P2S, 4P2S
Charging Voltage
14.6V
Dimensions
470.2*242.0*304.7mm(18.6*9.6*12.0inch)
Weight
40.9kg / 90.2lbs
Operation Temperature Range
Charge: 0~55°C / Discharge: -20~55°C
Terminal Type
M8
Case Material
Metal Case
Included in the Box
Frequently Asked Questions
Are Eco-Worthy batteries safe for home use?
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All Eco-Worthy Batteries Built with premium Grade A LiFePO4 cells, one of the safest lithium technologies available. Built-in BMS protection prevents overcharge, overheating, and short circuits—making it ideal for residential energy storage.
Will it work with my inverter/solar system?
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Yes. Our batteries are designed to be widely compatible with most 48V inverters and solar systems used in U.S. homes. For best performance, we recommend checking your inverter’s communication protocol or contacting our support team before purchase.
How much power do I actually need for my home?
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It depends on your usage: 5–10 kWh → essentials (fridge, lights, WiFi); 10–20 kWh → partial home backup; 20 kWh+ → whole-home coverage; Our systems are scalable, so you can start small and expand anytime.
Can I expand the system later?
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Absolutely. Eco-Worthy batteries support parallel expansion, allowing you to increase capacity as your energy needs grow—without replacing your existing system.
What kind of warranty and support do you offer?
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We provide up to a 10-year warranty on key battery models, along with U.S.-based support. Our team assists with installation guidance, troubleshooting, and system planning to ensure a smooth experience.











