Okay, so I was able to charge the batteries enough to get the engine started. The house batteries are reading 12.5 volts through a multimeter which is exactly what the inverter is showing on the display. I've been told and its noted above that they should be reading 14 but I don't think I ever saw my inverter display above 13.5 last year while using the RV. Have my batteries always been bad, is a reading of ~12 okay?
Thanks
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