Quote:
Originally Posted by Satonit
I am sure that Thor uses cheap batteries also. I have a 2018 Windsport with 3400 miles on it and the inverter had to be replaced early this year ( per dealers recommendation ) because it has a very loud humming noise and would not keep the coach batteries charged. Had uneventful 3 trips this year and RV is now stored outside my home and plugged into house current with master switch on. Started engine yesterday with no problem but generator - no go ! checked system and find both batteries dead ! Not sure if 24 degree temps did them in, but thought with power to coach being constant they would survive ! Just don't know what else to do ! The electric system in this RV is driving me nuts ( and broke ).
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Having similar problems with my 2018 35M Windsport. I plan to remove the chassis battery and have it tested, but I have no doubt it's junk. And like you, I find my house batteries dead when sitting in storage for a couple weeks. I have not found a culprit for the parasitic drain so I plan to add a knife switch to the house batteries...I already added one on the chassis battery.
I agree...the electric system in this RV is driving me nuts! I can't fathom what is drawing down both sets of batteries.