【Ultra-High Performance & Ultra-Long Lifespan】DUMFUME 12V 300Ah
Lithium Iron Phosphate Battery utilizes automotive-grade cells,
delivering 3840Wh of massive energy capacity and 95% discharge
efficiency. It supports over 4000 deep cycles (80% capacity retention),
weighs just 57.28 lbs, and boasts a lifespan 10 times longer than
lead-acid batteries. An ideal choice for solar systems, RVs, and
off-grid power applications.
【200A Smart BMS & Comprehensive Safety Protection】Features a
built-in 200A smart battery management system offering all-around
protection against overcharging, over-discharging, overcurrent, short
circuits, and extreme temperatures. Paired with a flame-retardant
housing design, Dumfume 12V 300Ah LiFePO4 Battery adapts to demanding
environments like RVs, ensuring worry-free operation.
【Flexible Scalability, Supports 4S4P Configuration】Dumfume 12V 300Ah
Lithium Battery supports up to 4 series and 4 parallel connections,
enabling the construction of a large-scale 48V/1200Ah energy storage
system. It meets the power demands of solar power plants, industrial
energy storage, and large recreational vehicles, while being compatible
with various off-grid and backup power scenarios.
【Wide Temperature Operation and Low Self-Discharge Rate】DUMFUME Deep
Cycle Battery Operates reliably in environments ranging from -20°C to
70°C, with a monthly self-discharge rate below 3%. Requires no routine
maintenance, making it ideal for demanding applications such as outdoor
adventures and emergency backup power.
【After-Sales Support & Note】Dumfume 12v rechargable battery 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!