Lithium Battery

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   It finally happened, my 15 year old Interstate 12v deep cycle will no longer hold a charge and it is now time to replace.  My other, nearly 5 year old 12v is in excellent condition and I plan to keep it, a Trojan T-1275, 160 aH.

So it would seen prudent to look at the 100 aH lithium batteries available at this time.  What would you recommend, and would I need to replace the converter on a 2011 177?  I have been told it will only charge lithium to 80% but I am good with that as with the old setup i could boondock for 6 days when night temps were in the 40's and with a potential lithium, even at 80% I will still have more available aH to work with. 

We do camp in cold weather so I also realize I will have to move it inside for those conditions as well.

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jato Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 23 Feb 2012 Location: Kewadin, MI Online Status: Offline Posts: 3424	Post Options Post Reply Quote jato Report Post Quote Reply Topic: Lithium Battery Posted: Today at 5:14am
	It finally happened, my 15 year old Interstate 12v deep cycle will no longer hold a charge and it is now time to replace. My other, nearly 5 year old 12v is in excellent condition and I plan to keep it, a Trojan T-1275, 160 aH. So it would seen prudent to look at the 100 aH lithium batteries available at this time. What would you recommend, and would I need to replace the converter on a 2011 177? I have been told it will only charge lithium to 80% but I am good with that as with the old setup i could boondock for 6 days when night temps were in the 40's and with a potential lithium, even at 80% I will still have more available aH to work with. We do camp in cold weather so I also realize I will have to move it inside for those conditions as well.
	God's pod '11 model 177 '17 Ford F-150 4WD 3.5 Ecoboost Jim and Diane by beautiful Torch Lake "...and you will know the Truth and the Truth will set you free."

gpokluda Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 11 Nov 2018 Location: East Idaho Online Status: Offline Posts: 478	Post Options Post Reply Quote gpokluda Report Post Quote Reply Posted: Today at 7:43am
	@jato, your timing couldn't be better as LiFePO4 batteries are at a price point that makes the decision a no brainer. If it were me, I would look at a 200amp hour battery with a BMS(battery management system) and internal heater that will protect it in cold weather. LiTime and BattleBorn are the favorites on the Escape forum. The 200amp hour battery will have a slightly larger footprint but give you the ability to add an inverter later if you choose. I would couple the battery with a 200watt suitcase solar panel with 20amp controller. Wire a pigtail directly to the battery and just plug the panel in directly when boondocking. Most solar panels these days with controllers have auto sensing with a lithium setting. With this setup, your boondocking experience will go from 6 days to infinite. Your limitation will be your water and storage tanks. It may seem like a minor change, but going from lead acid to lithium was a game changer for us.
	Gpokluda 2017 Rpod 179(sold 2023) 2022 Escape 5.0TA 2022 Ford F150 4X4 3.5EB Honda SCL500