Blw2, I also have installed a manual battery disconnect on my chassis (engine) battery and rely on the factory disconnect for my coach (house) battery. I'm not aware that there will be any loads on the house battery with the disconnect switch open. I could be wrong though. I still worry about extended periods with no maintenance charge. I have been using our MH every 4-6 weeks but the current down period will be 8 weeks between trips. 😟
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