Deep cycle agm battery replacement?

[Homers Kid]

Thanks for the info. Do you have an idea of the largest battery that can fit in the compartment? Any larger than the 60ah?

The largest capacity lithium battery in H6 / AN3 size is the 60ah. I don’t think the tray can fit the H7 battery which has a max 80ah capacity. Like I stated earlier the 60ah in the lithium has the same energy density as a 120ah in a lead acid or agm battery.

 

[EOD Guy]

Update to my earlier posts......... I have installed a solar charger under the OEM roof rack and it seems to be able to take up the slack for the parasitic draw. No flat battery after having the doors open all day......LOL

 

[Homers Kid]

Update to my earlier posts......... I have installed a solar charger under the OEM roof rack and it seems to be able to take up the slack for the parasitic draw. No flat battery after having the doors open all day......LOL

How did you run the wiring and what setup did you go with?

 

[EOD Guy]

How did you run the wiring and what setup did you go with?

My setup is just to keep the 12v battery topped off. This is the solar charger I used:

https://www.amazon.com/gp/product/B07Y5TKMZ4/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

I ran the wiring from the roof rack to the Dvr's side, top corner of the rear hatch opening, then into the "pass through" boot down to the 12v battery.

 

[Marinna]

I'm wondering if anyone's considered or have upgraded/replaced the 12v battery with an agm deep cycle like the x2 power battery?

I'd like to have the ability to have power with the car off and not have to worry about charging an external power station for a fridge etc.

Not quite sure I understand this. You already have a deep cycle “hybrid battery” that is 1.87 KWH deep. Just keep the power on and your engine will only occasionally turned on. It uses your engine as second /third stage power source depending on what you use. What system is better than that?

If the goal is to power refrig, any reputable lithium power station can support it way better than any AGM you can think of. I have a 1KWH power station in my trunk and I connect my dash cam and cooler to it. The power station can be recharged by either the 100W DC at second row, or the 2400 KW AC in your trunk.
No matter which scenario you are thinking about I couldn’t see AGM is a good fit in any of them.

 

[phantasticphil]

Not quite sure I understand this. You already have a deep cycle “hybrid battery” that is 1.87 KWH deep. Just keep the power on and your engine will only occasionally turned on. It uses your engine as second /third stage power source depending on what you use. What system is better than that?

If the goal is to power refrig, any reputable lithium power station can support it way better than any AGM you can think of. I have a 1KWH power station in my trunk and I connect my dash cam and cooler to it. The power station can be recharged by either the 100W DC at second row, or the 2400 KW AC in your trunk.
No matter which scenario you are thinking about I couldn’t see AGM is a good fit in any of them.

It's my setup so okay if you don't understand . Use cases/niche requirements.

1) I don't want the engine to occasionally turn on. I camp dispersed and at trail heads with friends that tent camp. That would impact their experience and would generally be rude to have an engine cut on and off all night to keep a refrigerator running.

2) I would prefer to not use an external power station due to space and having to think about charging it before or during a trip. I setup my FJ to be completely hands off and would like something similar here. Only way to do that (save space and hands off) is replace the truck battery.