On a permanent solar hookup on a class c to the house batteries using The charge controller that came with the solar panel Are there any issues when you start up the motor home with feedback from t...
I agree, no issues. I even removed the relay that disconnected the house batteries from the engine battery when engine wasn’t running. At first I put the disconnect relay back when in the campsite but it has now been directly connected for several years. The wire connecting them is only 10 or 12 gauge so not much current flows between batteries anyway. With solar, all the batteries stay nearly fully charged so no danger of draining the house batteries.
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