- Mon Jul 24, 2017 7:16 am
Yeah, pretty complicated plus the charger can't really balance charge more than one battery when wired in parallel, it only sees average voltage of the batteries, not individual charge levels. It's also possible that if one battery dies, it would discharge the others.
Best route is individual charge ports for each battery and charge them one at a time (or 3 chargers to charge them at the same time). You could also have an 18v charger (hard to find but do exist) to charge the batteries in series and then do an individual balance charge from time to time
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