Q. What is the difference between a deep cycle battery and an automotive battery?

A. A RV battery has fewer lead plates but also has much thicker plates to give a higher reserve. (More T.V. time, lights on, etc)

Q. Why are RV’ers going to 6-volt golf cart batteries instead of 12-volt deep cycle batteries?
A. 6 volt batteries have more reserve capacity because of their very high lead content and the track record for longevity is awesome. Therefore, if you plan on “boon-docking” or “dry-camping” (RV’ing without power) and you have the room for two 6-volt batteries (wired in series) that is the answer (below is an image of how to hook up two 6-volt batteries in series). Read more