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I thought others would be interested in this flaw of Solar Panels. It has to do with a molecule being inadvertently added to the boron material which becomes a shallow receptor or free holes trapping some electrons causing a 2% degrees in power. It sounds to be a problem with all silicon based...

I am wondering if these two scenario's would work in a Series/Parallel panel arrangement or do I need to balance panels as in all the demonstrations I have seen? I created two diagrams to clarify my thinking. The first scenario I have 3 panels in series and the 4th connected in parallel...

I had all 4 panel's in series and voltage was over 75 Volts which I probably bad for the charge controller? I'm hitting 58 Volts just with 3. I will try 2 by 2 like you said. I completely didn't think about the voltage provided by the parallel pair. Even though my amps will go up in parallel I...