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post #21 of Old 08-12-2013
kentobin
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Re: understand 12v electrical

Battery Maintenance Facts

State of Charge Specific Gravity Voltage - 12V Voltage - 6V
100% 1.265 12.7 6.3
75% 1.225 12.4 6.2
50% 1.190 12.2 6.1
25% 1.155 12.0 6.0
Discharged 1.120 11.90 6.0
* Sulfation of Batteries starts when specific gravity falls below 1.225 or voltage measures less than 12.4 (12v Battery) or 6.2 (6 volt battery).
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