TrailManor Owner's Forum - View Single Post - Charging Camper LiFePo4 Battery From Truck

FlyboyTR · 03-09-2023, 12:58 PM

I put a 10 amp load on the 7 pin connector on the truck...trailer was not connected...and with the 10 amp load I had 13.8 volts at the connector (engine running).

When I installed the lithium battery, I moved it from the front to the rear. I don't run the fridge on DC; either AC or LP.

I will follow your suggestion and see what the voltages are looking like while connected.

If I have been on shore power, the new Lithium will be at 100%. I could easily pull the fuse on the circuit feeding the panel/battery from the truck. If I have been dry camping for a night or two with a lower % of SOC, the allowing the truck to provide power to the trailer/battery should not cause a problem. Did I get that right? Thanks!

03-09-2023, 12:58 PM	#5
FlyboyTR Senior Member Join Date: Mar 2019 Location: Mobile, AL Posts: 225	I put a 10 amp load on the 7 pin connector on the truck...trailer was not connected...and with the 10 amp load I had 13.8 volts at the connector (engine running). When I installed the lithium battery, I moved it from the front to the rear. I don't run the fridge on DC; either AC or LP. I will follow your suggestion and see what the voltages are looking like while connected. If I have been on shore power, the new Lithium will be at 100%. I could easily pull the fuse on the circuit feeding the panel/battery from the truck. If I have been dry camping for a night or two with a lower % of SOC, the allowing the truck to provide power to the trailer/battery should not cause a problem. Did I get that right? Thanks! __________________ 2007 Trailmanor 2720 SL (new to us 04/19) SOLD. 2010 Trailmanor 3023 (new to us 08/2022...The "Rat Motel")