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Automobile Enthusiasts

usonian

(19,908 posts)

3. My car battery lasted 5 years and so did the Generac starter battery,

Reply to bucolic_frolic (Original post)

Mon Aug 11, 2025, 09:16 PM

Aug 11

and it MOSTLY just fires up once a week for generator self-test. Seems to be the norm the days, though it's a small sample size.

Being chemical, there must be a complex formula for life vs temp, time, load etc. That's why we measure under load. Easier.

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So I have this car battery [View all] bucolic_frolic Aug 11 OP

If it falls below 10a while cracking the starter MaineBlueBear Aug 11 #1

Thanks for the reminder bucolic_frolic Aug 11 #2

Dome light issue MaineBlueBear Aug 12 #4

Probably a good idea to replace it when CCA fades bucolic_frolic Aug 12 #5

My car battery lasted 5 years and so did the Generac starter battery, usonian Aug 11 #3

So after a 3-4 days of charging, resting, testing bucolic_frolic Aug 17 #6