DeWalt transitioned its 18V batteries over to the 20V Max line, but you'll be surprised to learn the change was just to ...
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 Inflator is a bit more pricy at $140 ...