Capacity: 20000mAh Battery: Li-polymer Charge your mobile devices while on-the-go 10.5 W charging technology Compact and sleek design Safe for air travel USB Type-C and Micro inputs Simultaneously charge up to 3 devices LED battery display Type-C Input/Output: DC5V/2.1A USB 1 Output: DC5V/1A USB 2 Output: DC5V/2.1A