Input Recharing: 5V/3A by USB-C Port Capacity: 10000 mA h. USB A Port: QC3.0 5V/3A, 9V/2A max;. USB C Port: QC3.0 5V/3A, 9V/2A max;. Battery Cell Composition: Lithium ion. Power Bank X1. 【 C o mpact Size and L ight Weight 】 Weig hing 0.55lb,easy to travel with, it f alls b elo w the TSA Approv ed maximum for air travel.