I set up the panel to test but it didn't work. After reading other reviews I checked the wiring and one wire was loose. The wires are plugged into the socket and then the screws are tightened to hold them in place. A wire was missing from the outlet. I stuck it in place, tightened the screw (and also tightened the other cable screws that weren't fully tightened) and the panel burst into life and began charging the batteries in my tears. I was glad that I had read about this problem in advance. but a bit confused that these wires were not properly tightened during the manufacturing process. This panel will be indispensable during our long hikes in hot climates. We have a fridge that looks like an ice box but works really well but drains the batteries in the trailer if we spend a few days in very hot places. This device keeps the batteries charged and the refrigerator running.
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