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Thanks all. There are 2 panels, not 3. I did open the controller, it is all circuitry, no visible fuses. I am pretty sure I crossed the wires while "testing" it. Just looking to make sure my understanding of how things SHOULD work is doable. I am connecting these 2 panels in parrallel...

The Massimo solar panel has DC outputs and adapters that make it easily compatible with Jackery power bank type units. I am wondering if the DC output on these type of panels would be regulated in some way that would make it incompatible with regular solar controllers?

The solar controller is the GHB 20Amp controller. https://smile.amazon.com/gp/product/B01LZZMDSQ/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1 The Massimo panel was putting out 22volts in full sunlight, seems to work fine. Both the original 100 W solar panel and the Massimo folding panel...

Hi- fairly novice electrical guy here. I have a working 100W solar panel setup to a 20Amp solar charge controller connected to a 12V deep cycle marine battery. I bought this Massimo 100W solar panel/18v https://www.amazon.com/Massimo-Portable-Foldable-Charger-Powerstation/dp/B099Z53S2G It only...