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2.1v
Well,
An everyday lead acid battery, whether deep cycle or starting, has a nominal voltage per cell of ~2.1 VDC. Therefore, a fully charged 6 cell battery will show a voltage of ~12.6 volts. Period.
although certain batteries might show 12.7 or 12.8, the basic chemistry of the battery does not allow it to rise beyond that.
If you are looking at your volt meter, and it is showing 13.1 or 13.6 (or some at 14.2), you are looking at the voltage being output by the charger, not the voltage held in the battery. To charge a lead acid battery, the charger will output between 2.25 for fast charge then reduce to 13.1-13.5 (know as a float charge)
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2014 Thor Tuscany XTE 36MQ
2019 Jeep Grand Cherokee "Towed"
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