diy solar

diy solar

Solarworld Sunmodule SW 230 Poly & Renogy 40amp MPPT Controller

FredMac

New Member
Joined
Oct 26, 2021
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7
Will the Renogy Controller solar cable connection work with these panels? I have two Renogy 100 watt solar panels now and can get two of these panels pretty cheap.

Thanks
 
According to the data I found they have an open circuit voltage of 36.9 volts and MC4 connectors so they should work. Your 40 amp controller has a voltage limit of 100 volts so three of those panels would be too much in a series, but two should work okay. I add 4 volts for better efficiency in cold climates so 36.9+4=40.9 40.9x2 panels=81.8 volts open circuit. If you are going to try to parallel them with your Renogy panels I'm not sure about that set up.
 
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