Boat Batteries and voltage
I finally unwrapped the boat last weekend and starting cleaning and charging. My 3 batteries fully charged read at 12.9, 13.0, and 12.7. I know 12.7 is about the fine line between good and bad. At what voltage do you guys start to think of replacing? This particular battery is one of my trolling motor battery hooked in the 24V system and last year it read 12.75 so it did drop just a little over the winter. The others stayed the exact same as when I put them up.
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