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Old 02-22-2021, 07:07 AM   #72
4x4dually
 
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Name: 4x4dually
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Join Date: Jan 2007
Location: Stillwater, OK
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Posts: 31,789
Quote:
Originally Posted by jfaulkner View Post
The math just doesn't work for me. Lead acid is around $100 for 36mo warranty (interstate), Interstate AGM same size is $165, Optima is ~$240. So multiply that x2 and the fact they are very unpredictable on life span I just don't see the love. Experience has shown I usually get 5yrs out of a set unless something ruins them. (had a few alternators cook them)
I hear ya on the math. Like I said, I've never had red tops fail at less than 7-9 yrs so my personal experience has been stellar. I'm sure quality has dropped. Everything else has.


This is the charger I use. It will recover batteries normally. It wasn't very expensive.

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