Maintain 2 Batteries at once?
I have a battery maintainer like the Battery Tender JR. Mine was sold by Griot's Garage. They don't seem to sell the one I have -- they have something similar, but it looks very different. Anyway i...
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It might pay to buy a new smart charger. The Noco GEMN2 is a bit expensive, but it will safely and securely keep 2 batteries fully charged without any risk of overcharging. It is best to have isolated chargers for each battery. They do cost a lot!
