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(ET) Battery Voltage vs. % Charge



This table came from somewhere on this list, I believe. It is very handy. Vooltage should be measures  at least a couple of hours after charging as I recall
 
Herb Crary
Boulder CO
 
 State of charge as related to specific gravity and
 open circuit voltage
 
       Percentage of Charge  Specific Gravity Corrected to
       80o F  Open-Circuit Voltage
         %             6V     12V    24V    36V    48V
       1001.277 6.37 12.73 25.46 38.20 50.93
        90 1.258 6.31 12.62 25.24 37.85 50.47
        80 1.238 6.25 12.50 25.00 37.49 49.99
        70 1.217 6.19 12.37 24.74 37.12 49.49
        60 1.195 6.12 12.24 24.48 36.72 48.96
        50 1.172 6.05 12.10 24.20 36.31 48.41
        40 1.148 5.98 11.96 23.92 35.87 47.83
        30 1.124 5.91 11.81 23.63 35.44 47.26
        20 1.098 5.83 11.66 23.32 34.97 46.63
        10 1.073 5.75 11.51 23.02 34.52 46.03
 
 
 
 
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