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Camper_Jeff___K's avatar
Camper_Jeff___K
Nomad III
Jul 14, 2022

Absorption Fridge Running on Solar/Battery/Inverter System

Absorption or Compressor Fridge, Which One? I have installed a fairly large solar electric system in my truck camper. It has 675 watts of solar panels on the roof. 400-amp hours of lithium iron batte...
Truck Campers
Camper_Jeff___K's avatar
Camper_Jeff___K
Nomad III
Jul 14, 2022
pianotuna wrote:
Camper_Jeff_&_Kelli,

Thanks for the report

Most RV absorption fridges have a 2/3 duty cycle. I.E. in one hour 40 minutes on and 20 minutes off. I did a "back yard" experiment on this about a dozen years ago. My fridge does draw 325 watts.


I just read a post in rv.net from 2018 in the vans and in Florida 90 degrees. The author had a duty cycle of 65% but when he switched the fridge over to 12 volt, it performed much better.

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