If you could get three nearly equally sized panels that folded out like a tri fold wallet, you have nearly 900 square feet available. I going to cut that to 750 in order to account for maybe a satallite or some other crap that goes on an RV roof (no clue what that might be but giving conservative estimates here). Depending on the panels used (google gives a lot of varied answers on watts per square foot, between 15 20),…