A 12V overlanding fridge has to hold temperature on washboard roads without killing the battery. Capacity, compressor duty cycle, and power draw matter more than brochure liters.
Written by Mike, a union power lineman with 22 years on the job and mutual aid plus storm restoration deployments after Sandy, California wildfires, Texas winter storms, and Gulf Coast hurricanes.
Often yes for mid-size compressors if the station has enough Wh and efficient DC output. Use the runtime calculator with your fridge watts and night hours — don't guess from marketing.
Both are proven. ARB is tank-tough for hard off-road; Dometic CFX-class units win on features and app/control for many dual-use campers. Pick by size, power draw, and how you mount it.
Nice if you want frozen and cold in one box. Single-zone is simpler and often more efficient for pure cold storage. Match capacity to trip length, not Instagram.