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I ended up going to batteries plus, getting a Duracell battery that they installed and warranty for 3 years ago for about $300.
I put in an 850 cca 800 amp battery and the old one (Duracell or something I think) I replaced was a 900cca battery. Old one was h8. I replaced with an h7 because thats what fcp euro said was the right size for my car. That was the issue. Took it out and replaced with and H8 and it was still in limp mode! Got my code reader out and cleared the codes and restarted and everything works great now
I still prefer Duracell.
Schedule the car to start, pre condition the battery if cold, climate to start, hop in and go.
I've had good results from East Penn Duracell at Sam's Club. I just replaced one nearly 8 years old.
How's the Duracell Vs the oem? I have 6 battery to buy (2 per pack) for a similar ups (1300va from apc with same lcd).
Depends on the car, both highway speeds:
- Our good EV, Ioniq 6: went from 18kWh/100km to about 26kWh/100km.
- Our bad car, EQB: Went from about 26-28kWh/100km to about 29-30kWh.
Duracell [battery] with a 3 year free replacement warranty. Last one failed unusually early, just short of 3 years
FWIW…. I’ve had 3 Duracell batteries and all have died within 3 years of manufacture date, and they have a 2yr warranty.
the only issue I have ever had with this car is the battery dying on me in under 2 years
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In March 2026 on PartReview, battery Duracell were overall better than OEM Hyundai.
In March 2026 on PartReview, battery Duracell were overall more popular than OEM Hyundai.
By vote balance, battery Duracell surpassed OEM Hyundai:
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