2 panels 2 different sets of readings
Purchased a 2 panel kit and am reading in full sun in Pennsylvania at real noon, 20.8 volts on one panel but only 19.8 on another panel. O noticed dents , more so on the weaker panel, on the back white Teflon coating. I was surprised to see this as this will surely have caused some micro fractures in the cells I would assume. Have others had a similar experience?