What's the typical service life nowadays of the subject item? I've always heard three to five years. Have there been any advances in battery technology or automobile power management that increases it?
12v Automobile Battery
- Thread starter DADoES
- Start date
cfz2882
Well-known member
I think the premium AGM batts last better,but cost almost twice as a regular flooded cell-I have an AGM in my '82 Chevy and it is still strong at about 7yrs. I'd say 3 yrs is short life,but 5 is typical. I had a Delco battery i bought in 1987 last 13 years and original Ford Motorcraft batts,1993 and 1996, each also made it to 13 years 
On my 2015 subie I got just shy of 5 yrs and on his 2016 subie he got over the 5 yr mark but had to have a few jump starts till he finally gave in. One of my bike batteries barely lasted two summers and the next one, from Walmart, has been good now for over 5. . I recall reading in CR years back that batteries are manufactured for different regions in the US,, southern vs northern climates but it's not really an advertised thing, heat being the biggest factor in battery failures.
The first battery in my Smart lasted 10 years.
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