Hello, I am trying to add 2 100w panels to my single 200w panel in parallel. VOC on my 200w panel is 24.4v, on the 100w panel 21.4v. Same manufacturer, same tech (mono). I know that your are supposed to keep the same VOC but what happens if I can't because of dimensional restrictions, am I just losing a little power at the controller or can I do damage to my system. Thx for the help.