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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...
BFL13's avatar
BFL13
Explorer II
Oct 18, 2014
2oldman wrote:
westend wrote:
Paralleling different panels with different electrical characteristics to one MPPT controller is not a good idea.
Not sure why that would be always true. It's pretty simple to try it and see the amperage reading at the controller.


AFAIK, it has to do with the MPPT trying to find two different MPPs and getting nowhere.

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