Some history here first. My boat came new with three batteries all were exide group 24 dual purpose. After three years two of them went bad so I replaced them with two deep cycle wal mart group 27 for my Trolling motor. I have some new electronics and I want them to have their on dedicated battery and I have a group 24 deep cycle wal mart battery that is almost new it self. My question is if I buy another 2 bank on board charger will it be able to charge two different batteries at the same time. Both will be group 24. One is a dual purpose and the other is a deep cycle


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