Walt, i sent you an Email, but had some more thoughts. Are you using the voltmeter on the inverter display? Or the one on the tank monitors? They are not the best or most reliable. Also, are you sure you have enough (distilled) water in the batts to cover the cells? An S. G. meter would be needed to really check the condition of those batteries. Also, they might be in need of equalizing. Do a search on this forum for that keyword and it should bring up some procedures to equalize.
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Slabman
2019 Newmar Ventana 3717
2007 Lexus LX470 Toad
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