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More info. I have 4 Everstart 29D deep cycle batteries (yes, Walmart specials, but work great) each having 112AH. I was reading about "balanced" and "unbalanced" battery banks, and mine were unbalanced. The article showed how unbalanced systems would use some of the batteries (depending how it was connected) more than others. So, I followed the diagram and connected them balanced. Sure enough, it takes much more use before they drain down. It also takes much longer to charge them, now that everything is balanced. When charging at home (battery disconnect off, so no load) is when it takes 24-30 hours to charge them @15 amps. By the way, had 2 Interstate batteries (when my battery bank was only 2) and they failed after 2 years. These Everstarts are 2 years old and still working great!
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