The Ryobi 18V One+ Cordless Inflator is currently ... While inflating a tire might seem daunting to some, this compressor makes it easy thanks to its automatic shutoff feature.

Of course, you always have the option to put a few quarters into an air compressor at your local ... battery systems and all three are small and portable, but they're still each quite unique.

Ryobi's 18V ONE+ High Pressure Inflator retails at $40 for the tool-only option. It's $90 with a 2.0 Ah battery and charger. DeWalt's 20V MAX Electric Portable ... their 12V compressor to Ryobi ...