- Tool Essentials 250 PSI Mini Air Compressor is powered by DC 12V. It Features and Integrated Air Gauge. Various Accessories are included, such as a ball needles and air nozzles that fit directly into the output port. It's a versatile tool that can quickly inflate tires, balls, and other items up to 250 PSI. Compact and easy to use, it comes with a power cord, integrated air gauge, ball needle, and other accessories - everything you need for on-the-go inflation.