Easy to store and use: No external power supply is required. Most electric air pumps can inflate anytime, anywhere, and most of them are elastic. You can easily store this battery in the car, bag, and center console and remove it at any time. Inflation and uninterrupted work: MINI air compressor very suitable for daily or emergency needs. Powerful compressor equipped with an efficient motor that can provide an air flow of 20 L/min. Inflating a mountain bike (0-36 PSI) and 1 minute can expand 195/65 R15 R15 car tires (25-36 PSI) for only 30 seconds. In addition, battery-powered compressor can work continuously without interruption with a turbine fan, which ensures good heat dissipation. Capacity and durability: Electric air pump is powered by three high-performance batteries and 2000 mAh can work continuously for 20 minutes. After a full charge within 3-4 hours, the portable tire pump can inflate 12 car tires from 25 to 36 PSI (195/65/R15). In addition, it is suitable for multiple