Up to 35% more power, faster and better help With a powerful magnetic motor, the compressor offers up to 35% faster speed than the XIAOMI Compressor 1S. Improved inflation performance, inflate ten tires with a fully charged battery Improved hardware means improved energy efficiency. With a full charge, ten tires can be continuously inflated, or two empty 205/55 R16 car tires. High-precision cylinder block supports up to 150 psi The high-precision 19mm alloy die-cast cylinder allows air pressure up to 150 psi. It only takes 86 seconds to fill a high-pressure bicycle tire.