12V 300Ah LiFePO4 Lithium Battery, Deep Cycle for RV, Marine & Solar

3840Wh High Capacity PowerSUPER EMPOWER 12.8V 300Ah LiFePO4 battery delivers 3840Wh energy capacity for extended runtime in RVs, camper vans, boats, solar systems, off-grid setups, and home backup applications. This 12.8 volt lithium battery provides a reliable deep cycle power solution while helping replace multiple lead-acid batteries with less maintenance and weight.
Long-Lasting LiFePO4 PerformanceBuilt with Grade A LiFePO cells, this 300Ah lithium battery delivers high energy density and stable power output. Designed for RV, marine, solar, and off-grid energy storage applications, it provides reliable power with a built-in BMS that helps manage charging, discharging, and temperature protection for safe operation.
Built for Multiple ApplicationsDesigned for RV battery upgrades, camper vans, marine power systems, trolling motor setups, solar battery storage, and emergency backup power.
Dimensions: 15.35 × 7.59 × 9.84 inches;
Weight: 58.4 lbs. Please verify battery compartment size and system compatibility before installation.
200A BMS ProtectionThe integrated 200A Battery Management System monitors voltage, current, and temperature while providing protection against overcharge, over-discharge, overcurrent, short circuit, and temperature conditions. Helps maintain safe and stable performance for 12V deep cycle battery systems.
Low-Temperature Charging FunctionCharging pauses automatically below 0°C (32°F) and discharge stops at 20°C (4°F), resuming above 5°C (41°F). This function supports stable operation in cold-weather conditions for RV setups, 12V vehicle auxiliary power, marine applications, and off-grid systems operating in low temperatures.
5 Year Warranty SUPER EMPOWER LiFePO4 batteries come with a 5-year warranty! We also provide professional technical support and online customer service with fast support within 24 hours. If you have any product-related issues or questions, don' t hesitate to get in touch with us directly, SUPER EMPOWER support team is always here for you.