Outlast Power External Battery Pack Life Saver Power Bank Compatible with All Mobile Devices 15000 mAh (Black) Package Contains: Outlast Power 15000mAh External Battery,Micro USB cable, travel pouch, instruction guide Hard Aluminium Matt Finished Case. Adds more then a full charge on an Iphone, and almost a full charge on most other smartphones such as Galaxy S5 and all other phones. Sophisticated , cutting edge technology provides each device with its unique charging speed, providing optimum charging compatibility Auto Stop Function - Finishes Charging when your gadget is full.