12 volt battery charge levels

Road Runner

Free Member
Jul 26, 2007
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Since before Motorhomefun
At what voltage is a 12 volt battery flat and full please?
 

Gonewiththewind

Free Member
Sep 13, 2007
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Lancashire
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286
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July 2007
Some one will probably come on and criticise, but my ubderstanding is as follows;
12.7 v or over is fully charged
12 v or less is Flat.

test is best done after the battery has stood for a while as tired batteries will lose slowly without use.
 
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