Yeah camping world pretty much sucks for anything besides browsing for basics you might need ASAP that Walmart doesn’t have while on the road. I used to go there years ago when I had my first camper trailer then some when I had cabover but now pretty much everything on line. I did find a local solar place after I had most everything that was about the same price and was a good info resource for the final wire and connectors etc, and face to face info which is valuable for solar installs. I had convinced myself I was going to install panels in parallel to avoid performance reductions if one or more panels had some shade, but was advised with the MPPT controller I had to do series for efficiency overall and keep the current in the connecting wiring lower (higher voltage input to controller). System worked well configured that way.
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