• 【Compact & High-Capacity】Dumfume 12V 300Ah LiFePO4 Battery Weighing only 57 lbs (1/3 of lead-acid), Dumfume LiFePO4 Battery delivers 3840Wh energy with double density. Its portable design saves space for RVs, campers, boats, and off-grid solar systems. Perfect for marine, fishing, and power walls.
• 【10-Year Lifespan & 15000 Cycles】Dumfume 12V 300Ah LiFepo4 battery Crafted With Premium Lithium Iron Phosphate Batteries, Dumfume 12V 300Ah Lithium Battery Supports 4,000 cycles at 100% DOD or 15,000 cycles at 60% DOD. Outlasts lead-acid batteries (200-500 cycles) with 10-year durability. Ideal for long-term solar storage, trailers, and backup power.
• 【Safety】:Dumfume 12V 300Ah LiFePO4 Have Passed CE, ROHS, UN38.3, UL1642, UL2580 Certifications. Built-In Battery Management System (BMS) Provides Overcharge, Overdischarge, Overcurrent, Overheat And Short Circuit Protection. With High/Low Temperature Automatic Cut-Off Function To Ensure Safe Charging/Discharging. IP67 waterproof & flame-resistant ABS casing for marine, RVs, and harsh environments.
• 【Extreme Durability】Dumfume 12V 300Ah Lithium Marine Battery Excels In High-strength ABS resists impacts, heat, and weather. Supports parallel/series connections (up to 4S4P) for 48V systems. Powerful Energy Extension System Meets Diverse Power Needs. Ideal For Home Energy Storage, Power Walls, Off-Grid Systems, Rvs, Campers, Trailers, Boating, Fishing,mobile power
• Note：Dumfume lithium iron phosphate 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!