You always need more power! Stay charged with your own Star Trek 10,000 mAh pocket sized backup battery pack! FameTek's design for an efficient and high-speed charging up to 2.1A or 1A for connections using USB-A and 2.1A when using TYPE-C connection. These chargers will work for all products that use USB charging! With a slim design of only (2.6"W) x (0.6 D) x (6" H) these powerful chargers will fit into your pocket and provide 6000 hours of battery life. With three outputs (USB-A x 2 and TYPE-C) you can charge multiple devices at once. There are four LED indicators that let you know how much power you have left on the power pack in 25% increments. Last but not least the Star Trek: The Next Generation LCARS design is laser etched on the front and the U.S.S. Enterprise 1701-D is on the back of the unit!