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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 19, 2014
2oldman wrote:
BFL13 wrote:
it has to do with the MPPT trying to find two different MPPs and getting nowhere.
Hard to say unless it's tested. Seems like a lot of messing around for 2-3 amps.


I saw somewhere that during the moment it is hunting, the voltage jumps to Voc and back down then gets "on" MPP and nothing is getting done for that moment (which is every two minutes in the version I saw this about)

So if it is always hunting between two mismatched panels, would it ever get anything done?

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