Battery State of Charge Chart

Battery state of charge is best determined by a voltage reading off the battery, or if multiple batteries, from the output of the battery bank. Batteries should have no substantial load on, and have not been charged for at least an hour – preferably overnight.

Volts --- Remaining Capacity
   12.63 --- 100%
   12.54 --- 90%
   12.45 --- 80%
   12.36 --- 70%
   12.27 --- 60%
   12.18 --- 50%
   12.09 --- 40%
   12.00 --- 30%
   11.91 --- 20%
   11.82 --- 10%


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