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The Dumfume 24V 314Ah is a large-format LiFePO4 deep-cycle battery rated at 25.6V and 314Ah, about 8kWh of usable storage. It carries a 200A BMS with overcharge, over-discharge, short-circuit and temperature protection, plus a low-temperature charging cutoff below 32°F and an IP65 enclosure that discharges down to -4°F. Grade A cells are rated for over 4,000 cycles at 80% depth of discharge, and the 2S4P design lets you run two in series for 51.2V or four in parallel for 1256Ah, scaling past 64kWh. At 112 lbs it is a fixed-installation battery for solar, off-grid and RV house banks rather than something you carry; against 12V 100Ah units it replaces several batteries and their wiring with one block.
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Buyers report the battery works well once installed, matches its advertised size, and offers good value for the capacity.
This 24V 314Ah deep cycle battery uses LiFePO4 cells. It has a nominal voltage of 25.6V and stores 8kWh of energy. It is intended for solar systems, RVs, marine use, off-grid living and home energy storage.
The battery uses Grade A cells and is rated for over 4000 cycles at 80% depth of discharge. A 200A battery management system protects against overcharge, over-discharge, short circuit and temperature extremes. Charging is cut off below 32°F, and the battery can discharge down to -4°F. The case is ABS plastic with an IP65 rating.
The battery is expandable in a 2S4P design. Up to 2 units can be connected in series for 51.2V, or up to 4 in parallel for 1256Ah. A full system can scale to 64kWh or more.
