my original GM batteries lasted like 7-8 years. I put gm ones back in it and they are still going good. I think I’m on year 5 now.As you guys know, south Texas doesn’t usually have that kind of weather. Last year it got down to 2 degrees with 8 inches of snow plus ice. Nothing but untreated #2 in the truck and block heater not plugged in and the truck fired up and I drove it around clearing trees off the road and never missed a beat….
Fast forward to this year and we got down to 20 degrees. A few days later when it warmed back up to the 40’s and 50’s the batteries started failing. 3 months after the replacement warranty expired…
Replaced both (AGM Platinum from Advance Auto) with AGM Platinum from O’Reilly. Need to clean the terminals good as I couldn’t really get at them correctly in the partaking lot of the auto parts store.
These will probably die 3 months after warranty to….SMH
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I know you get more heat then me but still pretty good.