For just adjusting tire pressures these are hard to beat.

If you have other Ryobi tools you can get one without a battery or charger.

https://www.homedepot.com/p/Ryobi-18-Volt-ONE-Lithium-Ion-Cordless-Power-Inflator-Kit-with-1-3-Ah-Battery-and-18-Volt-Charger-P737KN/302634287?cm_mmc=Shopping%7CG%7CBase%7CAll-Products%7CAll%7CAll%7CPLA%7c71700000014585962%7c58700001236285396%7c92700010802552382&gclid=EAIaIQobChMIr-XYkdf23AIVB1p-Ch1bewVpEAQYASABEgI6gPD_BwE&gclsrc=aw.ds&dclid=CPPO9ZbX9twCFQLPZAod2FcMGA