> If one batt is lower or weaker than the other, the better batt could
> get overcharged and weaker overheat. This is using a commercial
> charger. Having said that, semi trucks typically use 4 batt at a time
> and almost never get disconnected and are charged as a batt "pack".
> Touch the sides of the batteries after a charge to see if one is
> hotter that the other. If so, stop charging those 2 batt together.
>
> P
I do it every day as well.
With a little 6amp charger I doubt overcharge could be an issue unless
the charger is left on for several days. Besides, if there is a weak
one, it will drag them all down.
If you have a voltmeter, you can ID weak batteries, otherwise the
above method works well.
Ben
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