Quote:
Originally Posted by HWYSTR455
My blue top is almost 6 years old, my yellow top is more than 8 years old, both still working well.
The OE Delco AGM in my 2018 truck I just replaced before the winter. It would have probably been fine, but noticed the ALT was cycling the charge more often and didn't trust it to make it thru the winter.
Something is amiss, you should look hard at your setup.
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No real pattern here. I have one AGM still good from 2012, lead acid from 2017 still good, yet newer others are bad.