If you are interested in adding solar power to your RV, here is a website that has some good, easy to understand information:
"Do you 'dry camp', 'boondock', 'WallyMart', camp in unimproved national forest campgrounds, layover at rest areas, or simply need to keep your RV batteries charged while in storage? Consider an RV solar electric system."
Read more here:
RV Solar Power