Small "peel and stick" solar panels
I don't know if this is for real or if this product will work on the roof of an RV -- but it is interesting: Article
Forum Discussion
Had a friend that used to work for a local company that makes flexible solar panels specifically for RVs. They use some sort of adhesive to mount them. No idea what they cost.
https://globalsolar.com/sites/default/files/uploads/documents/PoweFLEX_Mobile_Data_Sheet_1000608_C.pdf
https://globalsolar.com/sites/default/files/uploads/documents/PoweFLEX_Mobile_Data_Sheet_1000608_C.pdf
