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Battery rejuvenation?

Tiny
PEANUTBUTTERANDJELLY
  • MEMBER
  • 2010 HYUNDAI ELANTRA
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 25,000 MILES
It has a 2-year-old battery. Car sits a lot. Battery was charged for about 45 minutes, but was still weak, (car turned over).
After driving it for about 5 minutes, shut it off, sat for 10 minutes and it started right up as if it was never discharged.

Fluid level is fine in battery upon removal of caps.

Is there any chance one of those electrolyte solutions can help, even for a short time?

Or is there anything else I can do to rejuvenate the battery?

Thanks
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Sunday, September 8th, 2024 AT 9:08 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 45,703 POSTS
A electrolyte solution is unlikely to rejuvenate your two-year-old battery. This is because of the effects of sulfation on battery plates. You might be able to use a disulfate, these devices can sometimes reverse the effects. I would just get a new battery.
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Monday, September 9th, 2024 AT 8:57 AM
Tiny
PEANUTBUTTERANDJELLY
  • MEMBER
  • 10 POSTS
Thank you for the reply.
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Monday, September 9th, 2024 AT 3:23 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 45,703 POSTS
You are welcome, please use 2CarPros anytime we are here to help.
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Monday, September 9th, 2024 AT 5:44 PM

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