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.????
Any tips or advice before I fork out money for a new battery? I have some anxiety hoping its not the alternator dying, or less likely the starter. All things point to a slowly dying battery but I want a second opinion.
Yes it's overkill if you don't need it. Standard batteries are perfectly fine for 99% of use cases
It literally is of 0 benefit and in fact they have shown to have a shorter lifetime in these applications.
Optimas quality fell off hard when they moved manufacturing to Mexico. They've been riding on their previous reputation ever since.
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