Very powerful, high-capacity plastic emergency charger with flashing battery indicator, flashlight function, two output ports to simultaneously charge multiple mobile devices and built-in lithium battery (6600mAh/3.7V) Input: 5V-1A Output: Port 1: 5V 1A Port 2: 5V-2.1A the PowerCharger can be done via USB with USB cable. Suitable for charging of the most popular mobile devices (eg smartphones, music players and tablets). Including manual. When you share the power of the PowerCharger (mAh) by the capacity of the battery in your mobile device (mAh), do you know approximately how many percent or how often you can recharge. Each piece in a gift box with magnetic closure.