In preparation for being on the road for a long time, we have bought a series of car appliances. I believe most of them are intended for truckers. None were especially expensive, so we were skeptical of whether or not they would work.
RoadPro 12v Cooler Bag
RoadPro 12v Stove
The video below shows our test of the RoadPro 12-Volt Portable Stove (see here for UK price difference) and the RoadPro 12-Volt Cooler Bag. Watch to see if it worked well enough to earn its passage on the HiJenx road trip: