Is there a lithium drop in replacement?

[FlyingTexan]

If I wanted to replace my house battery with a lifepo is it possible? Everything else is stock. What size battery is it currently?

 

[anand]

In a word, no... More correctly, not in an ideal fashion.

The charging profile of our smart alternators will not appropriately or fully charge a LiFePO4 battery (or truly, anything that doesn't fit the pre-programmed charging profile of an EFB). So you'll need to introduce a DC-DC charger.

On the plus side, if you have the OEM dual battery set up there is an option that is very straight forward. Grab the RedArc 150Ah LiFePO4 battery and RedArc BCDC Alpha 50 DC-DC charger and then grab the @GPFACTOR mounts for both the battery and charger. I recently helped @TWExplor install this setup (granted, I made a DC-DC charger bracket for him because GP Factor didn't have one at the time). We were able to reuse the OEM house battery positive and negative cables, and utilized the OEM 5 outlet bus bar to be power distribution for the aux battery. Grabbing power to the DC-DC charger from the main battery was easily done by replacing the ZCASE fuse that normally lead to the SmartPass with an appropriately sized one and making a new power wire.

 

[IronCompass]

Yes, it is possible to replace your house battery with a LiFePO4 battery even if everything else is stock. However, you might need to adjust your charging system or install a DC-to-DC charger to ensure optimal charging and lifespan of the LiFePO4 battery.

 

[TheDocAUS]

MORE 4X4, in Australia, has just announced a bracket set allowing you to add a Redarc Alpha 25 or 50 and probably a Lithium aux battery (personally I would only go with the Alpha 50). 2 images shows a Lithium battery, but the brand is unclear. Perhaps that option is coming. I have seen that style of battery before, but cannot remember the brand name. Fairly sure it was a lithium brand.

The brackets work in the 5 seater, unknown if the brackets work in the 2 seater model (which is not sold in the US), as the vertical space under the battery box lid is less than the 5 seater. So 2 seater owners need to check before buying the bracket set.

The bracket set, a Redarc Alpha 50, multiple Midi fuses and a Lithium battery that fits under the seat, just made a Lithium aux battery option a lot easier to install.

Not sure if the group of Midi fuses holders have a busbar, as EATON BUSSMANN does offer a modular model with 2 to 6 individual output fuse holders (max 5 holders with this bracket). They could all be single fuse holders or a busbar configuration. It is a flexible design as I have some (not in the Grenadier). Some maybe single fuse holders and others combined using the busbar.

EATON BUSSMANN MODULAR FUSE HOLDER
Brochure on the EATON BUSSMANN fuse holders attached below. I am not 100% sure they are in these pictures, as third parties have copied the BUSSMANN design (but they do look like a BUSSMANN Midi fuse holder).

The MORE4X4 package is the brackets and you buy the fuse holders, to meet your needs. Just make sure the holders you buy fit into the holes on the brackets as Midi fuse holders can slightly vary in their length. The BUSSMANN are slightly longer than others.

Just a sample image showing you inside the BUSSMANN product.

 

[carlg007]

In a word, no... More correctly, not in an ideal fashion.

The charging profile of our smart alternators will not appropriately or fully charge a LiFePO4 battery (or truly, anything that doesn't fit the pre-programmed charging profile of an EFB). So you'll need to introduce a DC-DC charger.

On the plus side, if you have the OEM dual battery set up there is an option that is very straight forward. Grab the RedArc 150Ah LiFePO4 battery and RedArc BCDC Alpha 50 DC-DC charger and then grab the @GPFACTOR mounts for both the battery and charger. I recently helped @TWExplor install this setup (granted, I made a DC-DC charger bracket for him because GP Factor didn't have one at the time). We were able to reuse the OEM house battery positive and negative cables, and utilized the OEM 5 outlet bus bar to be power distribution for the aux battery. Grabbing power to the DC-DC charger from the main battery was easily done by replacing the ZCASE fuse that normally lead to the SmartPass with an appropriately sized one and making a new power wire.

I would love to see some photos of this installation!