12V 400Ah LiFePO4 Lithium Battery,5120Wh Energy Built-in 200A BMS 15000+ Cycles for RV,Trolling Motor, Marine,Solar,Home Energy Storage,Off-Grid Applications

Overview

• Brand : dumfume
• Size : 12.8V 400Ah
• Manufacturer : dumfume
• Voltage 12.8 Volts : Item Weight 70 Pounds
• : Voltage 12.8 Volts
• : Item Weight 70 Pounds

About this item

• High Capacity & Long Lifespan：The 12V 400Ah LiFePO4 lithium battery delivers 5120Wh of energy, ideal for extended runtime in demanding applications. With 4000-15000 deep cycles, it outperforms lead-acid batteries in longevity. Voltage remains stable even under heavy 4000W loads, ensuring reliable power for high-demand devices. Perfect for Fishing,Camping,Solar,Golf Cart,Backup Power Systems
• 200A BMS Comprehensive Protection：The 12V 400Ah LiFePO4 battery Built-in 200A BMS safeguards against overcharge, over-discharge, overcurrent, and short circuits. Advanced temperature control automatically cuts off charging/discharging in extreme heat/cold. Combined with low self-discharge (<3% monthly), this ensures safety and extends battery life in harsh conditions.
• Expandable Energy System：Our 400ah lifepo4 battery Can Connect 4 units via 1S4P configuration for 51.2V 400Ah (20.48kWh) capacity, supporting 48V solar inverters and whole-home backup. Low self-discharge ensures readiness for seasonal use.
• Safety: Our Batteries Have Certifications. Crafted With High-Strength, Impact-Resistant ABS Casing, Our lifepo4 battery Excels In Heat, weather resistance (not waterproof), And Flame Resistance. It Ensures Stable And Lasting Power In Harsh Environments.
• 12V 400Ah Lithium iron phosphate battery dimension is: L20.47*W10.59*H8.66 inch, weighs 68.78lbs. Note：Under Various Temp/Humidity Measurement Methods And Instruments, Voltage And Current May Deviate By 1%~5%. Charge/Discharge Battery Once Every 6 Months To Prevent Damage From Disuse.Please Feel Free To Contact Us If You Encounter Any Problems During Use!