Quote:
Originally Posted by Allan Cooper
Can anyone comment on the quality of the factory installed batteries on Thor Motorhome products? Poor, fair, good, excellent quality? How many years should one expect them to last? Many thanks in advance.
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The factory batteries have the deck stacked against them. They are typically exposed to poor conditions in assembly to the brutality of a sales lot. Deep discharge is hard on them and even just once can substantially diminish capacity/life.
To get maximum life out of a FLA marine deep cycle battery, cycle only to about 50% and keep the cells properly filled. They can sometimes provide 5-6yrs of use.