Outside of the above good advice--solar power is simply amp-hours stored vs amp-hours used. No different than a bank account, the bank being the batteries. I have 1260w and 4 AGM batteries--no way is this totally an 'off-the-grid' setup. And there are power draws in the RV that are on all the time that you will find out about....
AMSolar did my install, no way would I have attempted it myself.
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2016 Tiffin 40QBH
2015 38RSSA--traded
2005 36TK3--retired, but it was a good one
2017 F450 KR
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