I have a MarineCo 3-bank on-board battery charger. It has one lead that goes to the starting battery and two other separate leads that go to each one of my two accessory batteries. Both the accessory batteries are also wired together. My question is, can I wire an additional accessory battery in and still use the 3-bank charger, or do I need to get a 4-bank charger? Thanks for any info...
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