Question about a battery upgrade?

[ShellNate7974]

I have a 25 JLU Willys with the 3.6 & AT. I know that I am possibly being extremely proactive in considering this, but is it possible when replacing the main battery to upgrade to a battery with higher a CCA rating?
I know in the older vehicles years ago it was easy to do this & I even had an 86 Merc Cougar that I did a relocate & had dual 900 CCA batteries in marine boxes strapped in the trunk.
The Jeep doesn’t have as much extra space for a relocate but I was wondering if anyone had upsized their batt in the existing location.

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[Cips]

What is the ultimate goal for you?

The H7 batteries are used in the Jeeps with the Tow Package. Most of those can fit. Have you considered the Genesis Dual Battery Setup?

 

[Rhinebeck01]

I have a 25 JLU Willys with the 3.6 & AT. I know that I am possibly being extremely proactive in considering this, but is it possible when replacing the main battery to upgrade to a battery with higher a CCA rating?
I know in the older vehicles years ago it was easy to do this & I even had an 86 Merc Cougar that I did a relocate & had dual 900 CCA batteries in marine boxes strapped in the trunk.
The Jeep doesn’t have as much extra space for a relocate but I was wondering if anyone had upsized their batt in the existing location.

@ShellNate7974

You will want to put an H7 in it. Yes, H7 will fit ..

Read here:
https://www.jlwranglerforums.com/forum/threads/main-battery-replacement-talk-jl-jt.100534/

 

[ShellNate7974]

What is the ultimate goal for you?

The H7 batteries are used in the Jeeps with the Tow Package. Most of those can fit. Have you considered the Genesis Dual Battery Setup?

I wasn’t considering going with dual batteries. The reason I had set duals up in the past was I had a CB with an amp putting out about of about 800 watts & I was trying to get solid power for the amp.
My assumption has always been that if you have a battery with a high CCA rate the power drain should be less which may help the battery life.
I am willing to be corrected by anyone who might have more knowledge or experience.

 

[gonzoflick]

I just bought an Odyssey 94r after research showed it's the best out there for a JL

 

[OldGuyNewJeep]

I just bought an Odyssey 94r after research showed it's the best out there for a JL

I put one in 4 years ago. Maintained it religiously with an Odyssey 6 stage charger. Started getting random ABS faults which turned out to be aging battery.

Point being that even the best will only last 4 years.

 

[gonzoflick]

I put one in 4 years ago. Maintained it religiously with an Odyssey 6 stage charger. Started getting random ABS faults which turned out to be aging battery.

Point being that even the best will only last 4 years.

Oh for sure. But you can spend $250 on a Walmart battery or $350 on the most reliable during that 4 years

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