Yes. It has an inverter that supplies power to the fridge from the battery[ies]. The charging circuit from the truck helps keep the battery going, so they don't draw down too quickly. I've traveled about 12 hours and still had good battery and fridge stayed good and cold. Even made ice while on the road.
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Robert & Diana McNeal
2019 Montana Legacy 3791RD 20th Anniversary Edition
2014 F350 4x4 6.7L SRW
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