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Cadillac_Jack's avatar
Cadillac_Jack
Explorer
Oct 16, 2014

Proper Wiring for two controllers to one battery bank

Ok guys here is what I have, and what I want to do. I have two 120 watt panels running through a 10 year old PWM charge controller to a set of two group 27 deep cycle 12 volt Trojans. I also h...
NinerBikes's avatar
NinerBikes
Explorer
Oct 22, 2014
Why would you run the panels in series, when you only have 2 12v batteries to charge, and they are wired in parallel?

Take both panels, in parallel and route them into a 12v PWM charge controller rated at 30 amps, in case you add one more panel. One short run of heavy thick wire from the charge controller to the paralleled 12v batteries, and you are complete.

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