Unlike an engine-driven compressor, a 12-volt unit can be mounted anywhere you have space. They also have the advantage over compressed gas sources because, obviously, they don’t become empty.

Those caught without an air source of their own typically wait their turn to use their buddy's 12-volt air compressor after he's done with it, delaying the trip home for more than just themselves.

Slime vs. AirMan Sparrow Air Pumps Review Small and lightweight, both feature 12 Volt air compressors and simple operation. They can be easily packed to provide essential support at home or when on ...