With the Verbatim Pocket Power Pack, you can charge your mobile device on the go. The 5200 mAh lithium-ion battery provides a full charge for most smartphone devices and is small enough to fit in your pocket. The Pocket Power Pack is also multifunctional and features a flashlight for use in dark environments. Additionally, it's easy to keep track of how much energy is stored in the power pack, as it has an LED power indicator that shows you how much charge is left.