The UL Listed Abruzzo 4,000 mAh Power Bank contains a Lithium Polymer Grade A battery (14.4Wh) and includes a leatherette cover. Input: 5V/1000 mA; Output: 5V/1000 mA. Includes a USB-to-Micro-USB connecting cable which can recharge the battery backup or other devices with a Micro-USB input, like Android Smartphones from Samsung®, Motorola®, HTC®, Nokia®, and others. This product has passed UL standards. Power banks are permitted in carry-on luggage only, and at the discretion of TSA agents. Please charge power bank before initial use.