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Open Circuit Voltage vs. state of charge
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Open Circuit Voltage vs. State of Charge



% Charge
Flooded Type
Gel Type
Absorb / SLA Type
100
12.70 - 12.60
12.95 - 12.85
12.90 - 12.80
75
12.40
12.65
12.60
50
12.20
12.35
12.30
25
12.00
12.00
12.00
0
11.80
11.80
11.80


Note: Divide values in half for 6-volt batteries. The true open circuit voltage of a battery can only be determined after the battery has been removed from the load (charge or discharge) for 24 hrs.
 
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