I have a Grand Design Solitude that is about 9 months old. We returned from a two week trip, did not dry camp, so the 5er was either hooked to the TV or on shore power for the two weeks. When we retur...
9 months old???? It should still look new in there. Could you have over filled the water a little or the charging voltage is too high. I dont think you want to use blue tops as they are for starting only aren't they?