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The Dumfume 12V 100Ah is a lithium iron phosphate deep-cycle battery with a built-in 100A battery management system. It delivers the full 100Ah of usable capacity, unlike lead-acid batteries that should only be discharged about half way. The mini case keeps it lighter and smaller than a comparable flooded or AGM battery, which matters in RVs, boats and tight solar cabinets. It suits RV, marine, solar and off-grid users who want drop-in lithium power; the 100A BMS limits it to roughly 1,200W of continuous inverter load, so it is not the pick for large whole-home inverters.
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This is a 12V 100Ah rechargeable LiFePO4 (lithium iron phosphate) deep cycle battery in a mini size. It is lightweight and built for high-capacity power.
A built-in 100A BMS (battery management system) is included. The battery is intended for RV, solar, marine, and off-grid applications.
