Stay powered up on the go with the Flash 2,200 mAh Power Bank! This compact, rechargeable lithium-ion battery (8.14Wh) provides ample juice to keep your smartphones, MP3 players, and more running smoothly. Simply charge the power bank using the included USB cable, then use it to recharge compatible devices, including Android smartphones from Samsung, Motorola, HTC, Nokia, and others. A red LED light indicates charging status. Note: Power banks are permitted in carry-on luggage only, at the discretion of TSA agents. Please fully charge the power bank before initial use.