I can see all kinds of potential issues here. You have no idea how old, or how good of a battery is in that rental unit. One thing you can be sure of it has not been properly taken care of no matter how old it is.
Don't they have something with at least two batteries in the house bank?
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Full Time in 2017 Newmar Ventana 4369
pulling a 24' enclosed (Mini Cooper/Harley/Kayak)
(traded 2014 Thor Challenger)
US Army 70-73 Retired LEO
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