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Compass Marine How To | all galleries >> Welcome To >> Effect of Winter on Battery Self Discharge > December 14, 2012 - Resting Voltage
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December 14, 2012 - Resting Voltage

December 14, 2012 - Resting Voltage

I placed the battery in the shed on Tuesday the 11th and on Friday the 14th I remembered to go take a voltage reading. As we can see here the temp was 19F and the open circuit resting voltage, after 4 days, was still reading well above full. This battery, when at full charge, reads about 12.72V to 12.73V.

The cold Maine winter temps have not even allowed the battery to drop to a "resting voltage" over a period of four days...

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