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kemeisland's avatar
kemeisland
Explorer
Feb 19, 2015

Coach battery seems drained after using generator.

Hello RV'ers! I'm a few weeks in to full-timing, in my '89 Mallard RV. I got the Onan generator working, finally, and realized that to use it I need to plug my 30-amp hookup into a jack in the powe...
CA_Traveler's avatar
CA_Traveler
Explorer III
Feb 20, 2015
Most rigs have a transfer switch that powers the AC including the charger from either shore or gen power. Do your house batteries get charged on shore power? Your rig may/may not be designed to charge the chassis batteries from the charger.

Most rigs also have a isolator that charges both battery banks from the alternator which explains part of what you're seeing.

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