2007 Sun Voyager battery issues
My 2007 Sun Voyager seems unable to maintain house battery charge. All 110 volt appliances work fine. 12 volt system unable to start heater or keep refrigerator running even when plugged in to shore power. Maybe I have inverter turned on unintentionally. In cabinet to lower left from kitchen sink are three switches. Two are side by side, one for floor lights, the other is for two overhead lights. There is a separate switch with a red light that I thought was to engage electric water heater. But maybe it is actually to engage inverter? I cannot find any other switch for inverter. When I woke up this morning my heater wouldn’t start and refrigerator was off, even though I was plugged in to shore power.
Started engine and then all started working. While running, panel shows full power, as soon as I turn off ignition, display shows extremely low or no battery.
Does anyone have any advice? Thank You.
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