Battery OEM Mazda or OPTIMA
I run yellowtops in my car and truck and the truck is going on 5 years now and still kicking.
I have have good luck bringing sulfated Optimas to my local Interstate Battery. They’ve brought several back from the dead for me and they went on to last a very long time.
I got a red top optima, put the subaru battery blanket on it. Good down to -10f.
Optima Red Top has been treating me well.
I like AGM batteries. Using optimas now, whenever these finally die I'll try another brand. 4 years in now and I can't notice any loss of capacity yet. They work amazing when it is like 0 degrees F, too.
If you do need one, optima is pretty good but expensive.????
Skip the dupmtima battery and save the coin. The extra capacity of a larger battery might not make the battery last longer (+5-7 years), heat kills batteries more than a few seconds of starting, and heat doesn't care if you have a small or large battery.
All since lifespan has been 2-3 years. I only sell them at customer request…
Bought a yellow-top that only lasted 3 years.
I went through 3 red tops within 2 years because of bad cells.
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