The Zodiac High Density 5000 mAh Power Bank features a 5,000 mAh/18.5Wh Grade A Lithium Polymer battery with a 5V/2A output and 5V/2A micro/Type-C inputs. The power bank is compact enough to fit in your pocket. Includes a Micro-USB-to-USB charging cable which can recharge the power bank or other devices with a Micro-USB input, like Android Smartphones. Power banks are permitted in carry-on luggage only, and at the discretion of TSA agents. Please charge power bank before initial use.