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Old 09-12-2020, 10:07 AM   #5
philipswanson
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Join Date: Oct 2015
Location: Bonita, CA
Posts: 1,374
Default Re: Optima battery will only chug to 50%

It's probably fine. Is it faltering under load? They have different charging characteristics. What kind of charger are you using? Does it have a switch for AGM batteries?
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