Duralast Gold 34DT - killed by the cold
I just had a bad experience with the Duralast Gold 34DT-DLG batteries I've had in my truck for a little less than 3 years.
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I went to the mountains and parked my truck for ~20 hours. The temp overnight went to -10deg F and didn't get over 20deg F during the day. I know they were fully charged when I parked - I'd driven 3 hours right before.
I cycled the grid 2x before trying to start. It cranked and sputtered once, then the cranking started to slow drastically. That was the end - I had to call AAA to get a jump.
In all fairness, I did drain the batteries once with my stereo a couple years ago. But the stock ones took that kind of abuse and never left me stranded in the cold.
I'm not sure if I should go to >800 CCA, but I don't think the Duralast 1000 CCA will fit in the truck. It really seemed that these batteries didn't perform well at all when cold.
Just some feedback - I'd love to hear anyone whose had good experience with aftermarket batteries in cold starting conditions.
I just had a bad experience with the Duralast Gold 34DT-DLG batteries I've had in my truck for a little less than 3 years.

I went to the mountains and parked my truck for ~20 hours. The temp overnight went to -10deg F and didn't get over 20deg F during the day. I know they were fully charged when I parked - I'd driven 3 hours right before.
I cycled the grid 2x before trying to start. It cranked and sputtered once, then the cranking started to slow drastically. That was the end - I had to call AAA to get a jump.
In all fairness, I did drain the batteries once with my stereo a couple years ago. But the stock ones took that kind of abuse and never left me stranded in the cold.
I'm not sure if I should go to >800 CCA, but I don't think the Duralast 1000 CCA will fit in the truck. It really seemed that these batteries didn't perform well at all when cold.
Just some feedback - I'd love to hear anyone whose had good experience with aftermarket batteries in cold starting conditions.