Originally Posted by Steveanddianne
We are new to RV'ing and can't configure out what happened to our battery power. We had 75 percent power and I turned off the battery disconnect on our sun seeker 2860DS (2016) it is a knob that is turned. A week later I went into to the coach turned the knob to on and went to turn a light on and there was no power - no lights. I turned the switch a few times and no luck. So I turned on the generator and the checked the power level and it was at 75%? I can't figure out how we could be at 75% - if I had no power before turning on generator. we are in New England temperature has been around 45-50 degrees
First 75% is most of the effective usable energy stored in the battery. By disconnecting the iso switch, you have still left some parasitic loads that draw small current but 24/7. 1 week can be common in this situ. Better way is fully charge the battery then place on a trickle charger constant. If not possible, disconnect the battery one side, all connections. Generator takes hours to recharge, make sure breaker(s) are closed. Never use provided led voltmeter to estimate battery state of charge. Get a battery hydrometer at auto supply store.
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