I have 10 of those Grape 100watt panels on my roof that I picked up from Home Depot. When they have sells on them the price with free shipping can't be beat.
I have mine in two banks of 5 parallel panels and noticed one bank was continually a couple amps lower than the other. Troubleshot down to one panel that seemed to have good voltage, at least under no real load, but would only put out half the current of the other panels. Diodes checked out good, and grape replaced the panel for me without any issues so I have to say I'm pleased with their customer support.
Let us know how it works out for you. For the most part, I really like how our solar makes dry camping so much nicer.
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2016 Bighorn 3270RS, 2015 Ram 3500 CTD/ASIN
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