What's the purpose of a battery in a camper?
Why does a camper have a battery? You don't have a starter. If you are always connected to shore power, why do you need one? Maybe if I boondocked, but the power from a battery isn't going to do much ...
Forum Discussion
The 12v for your circuit boards, detectors, lights, water pump, etc. can come from the converter or a battery - so technically a battery is not required (at least on rigs with converters that don't require a battery to be hooked up). But what if there's a power outage at the campground? No fridge, no detectors, no lights, no water pump, no furnace fan ..... And what about when you're driving? What powers your fridge circuit board if you have no battery? I don't think the 12v coming through the 7-pin connector will power those things, at least not on all rigs (for my old camper, it only powers the camper's running lights).
