A faulty air compressor unloader valve can cause the compressor to stall out, but replacement valves are readily available ...

This particular portable air compressor pump from Audew is a 12V digital tire inflator that can inflate up to 150 PSI. It's a fairly compact unit, measuring 7.4" by 6.8" by 2.8", which means you ...

Able to inflate everything from beach balls to car tires, this surprisingly versatile little air pump runs off any 12V cigarette lighter. Plus: Killer deals on sport earphones and a password manager.

A low-pressure switch (4) senses system pressure and sends an electrical signal to a dash light or buzzer to alert the driver when air pressure falls below 60 psi.

Otherwise, the Fanttik X9 Pro functions similarly to a full-sized digital air compressor. Just connect the hose to your tire valve, check the current tire pressure on the LCD display, ...