When to replace 6v batteries
When testing my 5er 6v batteries,I charge them for 12hrs on my home Battery charger,then disconnect them..the surface voltage is 12.8v after 4hrs its down to 12.5 and after 8hrs it sits at 12.2 for 2d...
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They're toast and you may be able to get a little of their capacity back but not much. Time to replace.
