This easy-to-operate jump starter with air compressor is equipped with smart presets, pressure monitoring, and auto-stop. 4000A powerful & Durable Car Jumper Equipped with multiple ports (5V/2A Type C Input Port, 5 V/2 A Output USB-A Port, 5 V/2.4 A Output USB-A Port, Max3.1A),It can be used as a portable power bank.