diy solar

diy solar

Truck Camper w/ 560Ah LifePO4, 4000w Inverter, 340w Solar, 45a Converter, 30a Alternator

On maiden voyage at Knik River in Alaska. Still need to program solar controller for LifePO40727F466-5CF2-4344-813D-D7386A03546B.jpeg
 
Nice view.

Curious what you have in that little camper that needed a 4kW inverter and so much battery.
 
Want to be able to run AC for a few hours when boon-docking in hot climate. Not much need for AC in Alaska. Also do not want to have to run gas generator very often. Want to recharge 6 ebikes after a days run without gen. Many dry camp grounds do not allow gen at night. Do not want to stress inverter, likely inverter cooling fan will not even need to run. Not many campers complain of too large of an inverter or too much battery capacity. Yes I realize standby losses are higher with larger inverter but it gets turned off and we us 12v most of the time.
 
Looks awesome man, nice work. I’ve got the same cells sitting in my garage waiting for me to make a battery or two out of them. Awesome view…I live about 15 minutes down the road ??
 
I did finally program the Tracer solar controller during the trip via the MT50 display. Need to do more research on the solar controller settings. When the programming was complete I did notice the solar input into the cells was higher. The same thing happened when I switched my 120v converter from lead acid to lipo. I presume the lipo settings are a higher voltage?

I ran 6awg pair from the truck battery to the camper via an Anderson connector. Now when I run the truck engine it charges the lifepo4 battery in the camper. Do not yet have a DC to DC convertor. I think I need one since when the camper battery gets low it will draw too many amps from the truck alternator or may trigger the BMS to shut off from over charge.
 
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