Today, we discuss the portable 12 volt air conditioner for trucks, 12 volt air conditioner for car and 12 volt air conditioner for van. Top Picks: The IcyBreeze Cooler Chill Package is a solid choice, and one of the few options available. Pack it with ice or other frozen items, and start it up. Its power supply cord plugs into a cigarette lighter and doubles as a pseudo-AC unit and cooler