Luxa2 Energy slim 10000mAh: Only 222g, and with a thickness of 0.62 inch, the unique internal design architecture of the Energy Slim results in maximum space to power optimization. Capacity: 10,000mAh (5,000x2)/3.7V Li-on/37Wh Input/ output: 5V1~2A Fast Charging (2.4A) Power Switch Auto Power Off Overload Protection Over 2500 cycles Ultra Slim 15.8mm design Li-Polymer Battery Cell Fireproof ABS (UL94-V1) Content of delivery: Energy Slim 10,000mAh x1, USB to micro-USB cable (Black) x1, & User Manual x1 Compatibility: Smartphone, Tablet, DC (Digital Camera), Gamepad Warranty: 2 years