I typically always leave the switch to where the battery power is off. However now, as a result of this thread, I'll turn it on when I want to charge the battery, whether traveling down the road or parked with shore power.
Of course, I have always stayed at a place that has shore power. I have turned the battery on while stopped for a brief period so I can turn on some lights in order to find something inside the trailer.
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Robert and Jamie
2019 Montana 3121RL 20th Anniversary, Cummins/Onan 5.5Kw
2018 Chevy 3500 Duramax
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