Duracell lasted 18 months on my RMR 3.25 Type 2 on auto setting, Energizer lasted 23 months on same setting!
Having ran both Duracell procell, and Energizer lithiums in RMR's, the energizers last 3+ years. I've gotten 2-2.5 years out of Duracell.
I use oem bc I get discounted price else I’d use optima, bc I personally on my cars with optimas have never had a problem and oldest is coming up on 9 years
I went to the store and traded the core of my perfectly "good" DieHard Gold (~18 mos old) and spent $400 on an Optima Yellow Top. The difference was immediate. Interior lights were brighter, mirrors functioned normally, no 'system off' garbage, truck opened and closed without hesitation. It starts strong and fast. With the temperature dropping, the peace of mind has been 100% worth the price. I even put the portable jump starter back in the garage. It worked.
I bought a red top optimum for my 2019 forester sport. Have had it in for almost 2 years without issue thus far.
Funny enough I also have an 18 Elantra and had my battery replaced recently from Costco. What I got was a:
- H6-AGM
- 760/120/70 cold crank amps/reserve capacity/amp hours respectively
The optimas (red top) I got in 2019 are still going. They are not the best though just better than liquid.
my Optima Red Top failed after 2 years & 7 months. this is the last time I'll buy one.
Optimas are not the brand they once were, I would never put one in my vette after the brand new $300 red top I put in my Durango basically exploded a week after I put it in.
Optimas don’t seem to hold up any better than the AGM from the parts store.
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