Keep your mobile devices charged up with the Jolt 2,200 mAh/8.14Wh Power Bank contains a Li-Ion Grade A battery. The 5V/1A USB output charges at the same rate as most wall chargers. 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. Power banks are permitted in carry-on luggage only, and at the discretion of TSA agents. Please charge the power bank before initial use.