The nice people at Optima would love to hear from you.
I put an Optima Yellow Top battery into my 2018 OB 3.6R because the CCAs of the stock battery were pitiful (490 vs 720). Maybe check out other brands aside from Duralast? Also, get something that’s way beefier than the stock battery, especially if you live in hot or cold climates.
I don't see it as overkill. It might have unused capacity, but I'd also rather have a battery that stands up to more than just enough.
I e been happy with them in my last 3 vehicles.
I had an Optima red top in my 89 4runner and that thing lasted for 12 fucking years. Needless to say I bought another one.
Just did that on my 19 gsw, no battery management extra thing to deal with, just the two connectors and obd11 for coding to fleece (not binary agm). Only issue I have is the battery blanket doesn't fit the bigger size.
The battery is an Optima Yellowtop 5.5 75h, I changed it in 2018. It has central poles and the negative pole near the windshield. Now given the very high prices of the Optimas and since their lifespan disappointed me, I wanted to get a cheaper battery.
Battery died less than 12000 miles. Apparently Mazda is using cheap batteries, as this seems to be a common issue. But I still see others complain about the same thing.
first issue I had was the battery at around 2000 miles, it was replaced under warranty.
I went through 2 of them in my Corvette. The last one was making sizzling noises after I needed a jump from a 200 amp battery jumper. The top of the battery was meled,.Not worth the money. Never again!!!
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