Panel to Solar Controller Wire Size
As some of you already know, I'm piecing together a solar system. Controller is a Morningstar 45A PWM. Panels will be two 12V 150W wired in parallel. I'm going to be using a combiner box on the roof, ...
Forum Discussion
You did - probably - right by going for 45A charger instead of 20A. This is 600W array that you may potentially have. If your roof allows more panels, don't do it wrong now by sizing your wiring to 300W only because you are buying 300W today.
