Walmart: GOOLOO A6 LITE Portable Car Compressor with 7500mAh Battery — $35.99

The GOOLOO A6 LITE is a compact, cordless car compressor that's convenient to keep in your car for emergencies or for regularly checking tire pressure. It delivers pressure up to 160 PSI and can inflate a standard car tire (size 205/55 R16) from 29 to 36 PSI in approximately one minute. The compressor is equipped with a built-in 7500 mAh battery, providing up to 45 minutes of runtime. It features five operating modes: for cars, motorcycles, bicycles, and sports balls, as well as a custom mode with manual pressure adjustment. A digital display shows the current pressure, and an automatic shut-off function stops the air supply when the set pressure is reached. Additional features include a built-in LED flashlight with SOS mode, USB-C charging, and dedicated storage compartments for the included adapters. The set includes five attachments suitable for car and bicycle tires, balls, and other inflatable objects. There are plenty of reviews and video overviews online.