Double Battery Anonymous

[ShadowsPapa]

But it really looke like your main battery is going south.

I've always wondered - what do people have against Arkansas, Alabama, Mississippi, Texas, Florida, Louisiana, and so on?

In his case, it could be going to Washington, North Dakota.........

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[Stan H]

Dual battery set ups.

https://www.genesisoffroad.com/collections/jeeps

I love that .. that is what I want to do thanks

 

[Stan H]

I've always wondered - what do people have against Arkansas, Alabama, Mississippi, Texas, Florida, Louisiana, and so on?

In his case, it could be going to Washington, North Dakota.........

Its that there direction . Down South Up North

 

[WILDHOBO]

I agree with everyone who’s already replied. Either kill it, but I’m a proponent of leaving it, or go full delete. I have piles of accessories and I’ve had no issues with having enough power. I upgraded my main to a yellow top (hybrid between starting and deep cycle), and replaced my aux with a basic die hard aux 14. It’s been working great.

 

[Maximus Gladius]

So if you’ve done the delete, any reason why not go Lithium? Any issues with that?

 

[Mr._Bill]

So if you’ve done the delete, any reason why not go Lithium? Any issues with that?

Temperature is one. Extreme heat and cold result in poor function and early demise.

 

[ShadowsPapa]

Temperature is one. Extreme heat and cold result in poor function and early demise.

Right, they don't perform well in cold.
You also have to pick one that's made to replace AGM batteries so it has the electronics built-in to manage charging from a system not made for LiFe batteries.

 

[Andy29847]

Peace of mind at last! Replaced main battery with a premium H7/Group 94 battery | Jeep Gladiator (JT) News, Forum, Community - JeepGladiatorForum.com

 

[Stan H]

I'm not the brains you are looking for, but what would be the point of adding more cables to chaff and a second expensive battery? Either delete it, delete it and upgrade existing main or replace the smaller battery.

Well 2 is better than 1 . I like the Genesis system that @Rusty PW posted was reading on their site and it had a intelligent box that after cranking to start charges the starting battery and not both or the opposite it will switch to which ever needs charged its like a smart maintainer . I am definitely doing it this winter or in the spring I have a laundry list of upgrades and perks I want to do to my Jeep . I am tired of that lawn mower battery cramping out on me . I have to start up alot and also sit and I get bored so play the radio . So it will be the best system for me and guess what all up top nothing below making me pill the wheel the liner etc..
I do appreciate all you gentleman's help . I really do.

 

[Stan H]

So if you’ve done the delete, any reason why not go Lithium? Any issues with that?

Is lithium harder to charge up? I know lithium likes being charged . But I also hear lithium battery is hard on the alternator?? Any truth to that ?? Additionally with the Jeep designed for AGM batteries would putting in a lithium be a bad idea ?

 

[WILDHOBO]

Is lithium harder to charge up? I know lithium likes being charged . But I also hear lithium battery is hard on the alternator?? Any truth to that ?? Additionally with the Jeep designed for AGM batteries would putting in a lithium be a bad idea ?

As @ShadowsPapa mentioned, you’d need a lithium battery system that was setup to trick the Jeep into thinking it’s an AGM. The Jeep’s smart alternator is always going to charge as if it’s an AGM.

 

[Hootbro]

Additionally with the Jeep designed for AGM batteries would putting in a lithium be a bad idea ?

I have looked at the Optima Orange top H6 Lithium battery that is being offered for our applications and from what I am seeing, there is an electronics package built into the battery that manages incoming charging supply and moderates that for the lithium battery charging and provides charging feedback to the vehicle. In theory, it should not be a issue for the vehicle.

Edit: Besides cold weather charging concerns, the other issue is cost at $850 USD that makes it 3X-4X the cost over a decent AGM. The only plus sides I am seeing is the low weight of the lithium batteries and a potential 8-10 years battery life.

 

[Stan H]

Sorry if I am missing anyone's post Im working and posting and reading .

 

[Lost1wing]

Well 2 is better than 1 . I like the Genesis system that @Rusty PW posted was reading on their site and it had a intelligent box that after cranking to start charges the starting battery and not both or the opposite it will switch to which ever needs charged its like a smart maintainer . I am definitely doing it this winter or in the spring I have a laundry list of upgrades and perks I want to do to my Jeep . I am tired of that lawn mower battery cramping out on me . I have to start up alot and also sit and I get bored so play the radio . So it will be the best system for me and guess what all up top nothing below making me pill the wheel the liner etc..
I do appreciate all you gentleman's help . I really do.

I'll probably one day replace my battery set. I'll keep the OEM set-up as it has lasted 5 years and counting. I may not put Mopar batteries in. I

I like the Genisis setup. I just read about it a week or so ago. It's just not for me. I have a good thing going the way I take card of my batteries. My tractor battery is 8 years old. It gets ignored the most, but has the least drain when not in use.

 

[Maximus Gladius]

UPDATE this morning checked the state of the main …

Last night, parked it and took note of the voltage sitting at 12.7v, this morning, 12.3v!

I pulled out the aux battery I had hid away in the back of the truck for just this moment I feared, to just hold it for a while. I put it on the charger and …it was full and didn’t need any charging. I tucked it away in the back of the truck again.

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