date code on your batteries and age
Picked up our brand new custom ordered TT last April. It has a single 12 volt Interstate battery which did not last a year due to a dead cell (confirmed by Interstate). Our dealer refused to replace...
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Kmart was selling Diehard marine batteries that were just under one old for $62 two weeks ago. The price now is $114 and they are just as old. You really have to learn the date codes.
