Thanks for your responses, so far. I'm thinking about replacing mine in the next few months, not because it seems to be acting differently. Cranked over, all winter long, even when sitting up to a week and 1/2, and never really ever slower. Like I said always has been a tad slower than my other two. Once when having lunch with an old co-worker friend, when I went to crank it on, getting ready to leave, he asked me if I ever had the battery tested`. I told him that that was the way this car always cranks over. Seems normal to me, for that car. Just maybe the type of starter Mazda uses. Not really noticebly slow, just a tad slower (Hope that makes sense :-) )). Anyway, I'm considering getting one anyway, since they are so difficult to find, not in your everyday Sears, Kragens or Grand Auto, I don't want to find myself one day with a totally dead battery, and then having a difficult time getting one. Our Auto Zone Stores carry a Durolast, but even though they all seems to list them, they never ( At least the one near me), never has one, telling me the nearest one that does, often times 14-30 mi. away; an inconvenience for sure. If the Auto Zone a mi. from me happens to actually have one the next time I check, I'll probably scoot over with my tools, and like Larry the Cable guy says, Just, "Get er done,">>lol.