Oh, my... It was me who had "questions". My last question was on the choice of parallel VS series. Because this, normally, dictates the choice of controller and wire gauge. Series is beneficial for panels with 2 or more diodes, and parallel - for panels with one or no diodes. The number of diodes in these panels is unknown. It almost looks like you chose the controller first, and then chose parallel - because series wouldn't work with this controller, and then AWG 4 wire - because of high current. Well, whatever works...