# of watts solar system needed to MAINTAIN coach batteries?
Class A with 2 12 volt coach batteries. Want to maintain while not in use.
Forum Discussion
Those 'optional' solar panels on top of many RVs ACs are 8 Watt and I've never heard of them working very well to maintain even small 12V coach or chassis batteries.
I wouldn't get anything less than 50 Watts in the desert areas, and 100 Watts in the northern states.
I wouldn't get anything less than 50 Watts in the desert areas, and 100 Watts in the northern states.
