"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." There are several ways that your portable tire inflator gets its power: sources are an 18-volt battery, ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? There are several ways that your portable tire inflator gets its power: sources are ...

There are several ways that your portable tire inflator gets its power: sources are an 18-volt battery, 12 volts from the vehicle, or a built-in rechargeable battery. Each has its advantages and ...