Optima's are an AGM type battery. All of these type batteries will have a short life if charged on a conventional charger. If one uses a charger that specifically says it is for AGM, the lifspan is unhampered.

I have a yellow top in mine.


83 mitsu flat bed 2.6l weber, 88 auto tranny, 2" body lift, 4.625 LSD, 235/85-16E mudders (33 x 9.50).