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I see a LOT of AC delco here in Pa that crap out after 2-3 years . I would not opt to get one.
DEKA is the premium around here
 
GM AC delco batteries are Crap anymore
Delco makes about as many batteries as the Hostess Twinkie company.

The funny part about this thread is some guys are vouching for the exact same battery the other guy says is crap. 😂
 
I see a LOT of AC delco here in Pa that crap out after 2-3 years . I would not opt to get one.
DEKA is the premium around here
The Deka SLA in my RV crapped out in the 4th season. And I store the batteries in my heated garage over the winter. I store mine charged up and check them over the winter. It seems batteries in the hot south don’t last as long as the colder north.
 
The GM (chevrolet) parts guy I talked to said the 2013 2500 could have 3 different batteries. It was VIN dependent
One was a AGM, the other 2 were SLA.
AGM likely for high trim level trucks, one level SLA for work truck, and one SLA was likely designed for diesel apps
 
Up in Canada we have a major retailer called Canadian Tire. They sell their brand of Motomaster batteries. Don’t know who they’re made by but warranty is good and across Canada. AGM batteries for my truck are 300 bucks EACH!! SLA are 220 each
Not sure on other brands as I’ve never bought anywhere else other than Canadian tire for my automotive batteries. We have another retailer called Canadian Energy that I get my RV, ATV, and sled batteries from. The sleds and atv’s are AGM batteries by Motobatt.
 
I might be wrong
GM cant tell me as I just called them.
My 11 says it came standard with an AGM. GM parts guy couldnt tell me with certanty that the 13 2500 had an AM from the factory. Maybe OP will Opine
The first replacement choice at the dealer is an AGM.
Napa store says AGM is strongly recommended due to electrical loads.
None of my GMT900s came with an AGM battery. A couple of years ago I was considering an AGM and came across information that said the charging system was not made for it. Can't remember where. To reinforce this notion, the ACDelco catalog does not recommend AGMs in GMT900s even though they make them.



The dealer is going to recommend them as their cars have been using AGMs for about ten years now. i reckon the employees think they all come with them. As for NAPA's selling point, it doesn't hold water when we compare ACDelco batteries, maybe their batteries are made for a higher discharge rate. Don't think I've seen more than 55 amps draw in mine.

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Like I said, you can run an AGM in your truck, it's just not going to last as long. They like/need a different charging schedule. This applies to GMT900s, not the newer K2s and T1s that came with AGMs from the factory.
 
If you just want to see what the latest tech in batteries is that is really cool, super long lasting, lighter than standard, and can even jumpstart itself, take a look at the new Lithium car battery.

For the price, I don't think most of us would normally buy this, but it's nice.
 
For me, I use AGM Batteries. Never had any problems. My last rig, I replaced the factory battery with a Bosch AGM a few months after I got it. 6 years later it was still kicking when I traded it in. Did the same with my current rig a few months after I got it. Not pushing any particular battery type...just stating my experience!
 
To the op, why exactly do you definitely want an AGM in your vehicle if it didn't come with one stock?
 
If batteries required oil changes this thread could combine both 'what oil' and 'what battery' into one - and simultaneously implode the known universe into a soul sucking event not seen since the big bang. 🙈

An AGM has a chemistry that requires it to be 'full' at 13v but also will allow a much deeper discharge well below 12v. Assuming the ECM knows this is silly. It's a much more versatile battery and can sit 'dead' for years and be revived. My last AGM would start my truck at 10v no prob.

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If you just want to see what the latest tech in batteries is that is really cool, super long lasting, lighter than standard, and can even jumpstart itself, take a look at the new Lithium car battery.

For the price, I don't think most of us would normally buy this, but it's nice.
It would be nice. In the cold? Worthless.

The H7 equivalent is rated at 30Ah vs 80aH. LifeP04's don't 'float' like lead acids. They like to sit between 20-80%. So if you leave your headlights on you have maybe 40 min before the BMS kills the show. Without the BMS, discharging these batteries will kill them permanently. And over charging them is just as bad - we've all seen the fires. Bad BMS! Go to your room! 😩
 
while we are at it, can someone tell me which oil to use??? :D
(not a dis on the OP) Just opinion based questions get a LOT of opinion based answers....

oh, what tire is the best?? :D
 
while we are at it, can someone tell me which oil to use??? :D
(not a dis on the OP) Just opinion based questions get a LOT of opinion based answers....

oh, what tire is the best?? :D
Oh, ok, wait, me too!

What's the highest lift I should get?
What color truck should I get?
 

most beautiful.
Thank me later.
 
If you just want to see what the latest tech in batteries is that is really cool, super long lasting, lighter than standard, and can even jumpstart itself, take a look at the new Lithium car battery.

For the price, I don't think most of us would normally buy this, but it's nice.
LONGER LIFE: 2x to 3x the lifecycle of lead/acid and other Lithium batteries due to full Battery Management system.
only 2-3x the life? at 5-7x the cost?

yeah, those numbers don't really add up.....plus, a lot of normal FLA/AGM batteries will last 5-7 years.....so this thing is gonna last 21 years? :oops:o_Oo_O
 
Just went camping, guy in the Airstream trailer next to us bragged about his new Lithium Ion batteries, 4 LI RV batteries! After two days I seen him set out a 200 watt solar charger,, I looked over and just asked him,,,,WHY?
 
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