With almost 3 years on the used Thor we purchased our OEM 6-V batteries are working great. I initially was checking them every month for water levels and they barely used any and seem to hold a charge very well.
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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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