Also, I’m convinced that most owners don’t realize they need to check and likely add water every now and again. Most cars have come with maintenance free batteries for decades now and it just doesn’t occur to folks to check their RV batteries. Doesn’t help that access is not great on many coaches. My Freedom Elite needed water every 3 or 4 weeks if it was on shore power. Probably meant it was being overcharged but I never got around to checking that before I traded .
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