Quote:
Originally Posted by Dantilla
My Miata uses an AGM battery. As long as they're used regularly, they last quite a while.
When I bought the one currently in the car, the sales dude asked if it was a Summer-only car, as the AGM batteries don't last as well when they sit unused. d.
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This is the exact opposite of everything I've heard and of my experience. Optimas were great in my cars that sat a lot. They could hold a charge for months. Due to the huge increase in price and recent QC problems I went back to liquid batteries + maintainer for my cars that sit.