HemiPower36
Senior Member
- Joined
- May 16, 2014
- Posts
- 1,424
- Reaction score
- 839
- Location
- CA
- Ram Year
- 2014 Ram 1500 Laramie 4x4 3.92 8-speed
- Engine
- hemi 5.7
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The factory battery for the Hemi is 730 CCA(regular flooded lead acid battery), even the EcoDiesel rolls off the assembly line with only a 800 CCA (AGM) battery, not sure where you came up with the Hemi requiring an 850 CCA.you got good cold crank amps with your choice at 850. The hemi requires that even in warm state.
Ive had a Duralast Platinum AGM in my truck since 2017 and it's still going strong. I think that's the exact battery I have.
But like @Burla said if you have high power demands that are going to be used while running the truck, you're better off getting a high output alternator and doing the big 3.
If you're looking for capacity while the truck is off, might want to look into a dual battery setup...
I got mine from here:Did you buy the big 3 local or online? Do you have any links, thanks Corey
Add an extra battery and forget about it.