Capacity,
voltage and
lithium LiFePO4 chargers
A
12v lithium LiFePO4
battery fully charged to 100% will hold
voltage around 13.3-13.4v. Its lead acid cousin will be approx 12.6-12.7v. A
lithium battery at 20% capacity will hold
voltage around 13V, its lead acid cousin will be approx 11.8v at the same capacity.
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Therefore, to achieve a 12V battery you'll typically have four cells connected in a series. This will make the nominal voltage of a LiFePO4 12.8V.
