Dumfume 12V 300Ah LiFePO₄ Battery

Dumfume 12V 300Ah LiFePO₄ Battery – Long-Life Solar & Backup Power

This high-capacity 12V 300Ah LiFePO₄ battery from Dumfume is designed for serious energy storage needs in solar systems, off-grid cabins, RVs, and home emergency backup. With lithium iron phosphate chemistry and a built-in BMS, it provides a long service life, stable performance, and improved safety compared to traditional lead-acid batteries.

Key Features

• 12V 300Ah LiFePO₄ chemistry – safe, stable, and maintenance-free
• High usable capacity – ideal for larger off-grid and backup systems
• Long cycle life – thousands of charge cycles when used correctly
• Built-in Battery Management System (BMS) for protection and longevity
• Lightweight for its capacity compared to lead-acid alternatives
• Supports series or parallel configurations (check manufacturer specs for limits)

Best Uses

• Off-grid cabins, sheds, and tiny homes
• RV and van solar systems with higher daily loads
• Home emergency backup (fridge, lights, router, key circuits)
• Solar storage for 12V or inverter-based systems
• Paired with 100–400W+ solar panel arrays and inverters

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