Quote:
Originally Posted by kcbsvx
I believe one can harm an Optima battery by using a "normal" battery charger without an "AGM/GEL" mode. Can anyone verify that?
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Yes, that will harm it. You need to use whats commonly called a "trickle" charger or one that is specialized for them. They need to be charged up with a smaller charge. I got one off of ebay a few years ago for something like $40. It has separate settings for normal auto batteries, the deep cell battery and motorcycle batteries.