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Originally Posted by Cajundaddy

I think Optima had some QC issues a while a go. Don't know if they are sorted yet but a quality AGM is a good way to go. They do have some specialty needs involving the use of battery maintainers so use a maintainer specifically designed for AGM.

Absorbent Glass Mat (AGM) Battery Information - Battery University

You know if Optimas are AGM batteries. I have a newish one in the 930 that's on a cheap trickle charger from Interstate that's about 10 years old. I want to install a quality AGM, again, "Leakproof" in my 993, that, been in the shop forever.