![]() The charger limits the amount of current to a pre-set level until the battery reaches a pre-set voltage level. Lithium chargers are based on a constant voltage/constant current charge algorithm. While lead acid offers a degree of flexibility in terms of voltage cut off, manufacturers of LiFePO4 cells are very strict on the correct setting because Li-ion cannot accept overcharge. The differences with Li-ion lie in a higher voltage per cell, tighter voltage tolerances and the absence of trickle or float charge at full charge. As you can see, there is very narrow window of voltage with lithium, less than 0.5V over 80% capacity.Ī Lithium LiFePO4 charger is a voltage-limiting device that has similarities to the lead acid system. A lithium battery at 20% capacity will hold voltage around 13V, its lead acid cousin will be approximately 11.8v at the same capacity. Its lead acid equivalent will be approximately 12.6-12.7v. Lithium batteries different to lead acid batteries and not all battery chargers are the same.Ī 12v lithium LiFePO4 battery fully charged to 100% will hold voltage around 13.3-13.4v. This is a question we get asked every day. Browse Home, Office & Security BatteriesĬan a lithium battery be charged with a lead acid charger?.Browse Motorbike & Powersports Batteries.Browse Camping, Caravan & 4WD Batteries. ![]()
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