Charged battery to 12.83v then unplugged it overnight. Next day reads 12.6 is the battery bad?

swionB to Mechanic Advice@gearhead.townEnglish · 10 months ago

I’ve been having starting issues and have been needing to jumpstart frequently even when the battery has appropriate charge. Tested at Napa good for voltage and cc but seems off still.

Is a little discharge overnight like this normal if it’s completely unplugged or is the battery toast?

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