Ultrathin powerbank in the shape of a smartphone with battery indicator with light and built-in lithium polymer battery (4600mAh/3.7V). Input: 5V-1A. Output: 5V-1A. The PowerCharger can be charged by USB with USB cable. Suitable for charging the most common mobile devices (including smart phones and music players). Incl. instructions. The PowerCharger 4600 meets the European directives and available with a USB/micro-USB charging cable, A-quality lithium battery and instructions in more languages. When you divide the power of the PowerCharger (mAh) by the capacity of the battery in your mobile device (mAh), you know approximately how many percent or how often you can charge your mobile device. Each piece in a box.