Very well executed emergency charger with high capacity, flashing battery indicator, holder for placing tablets and other devices, 2 output ports to charge multiple mobile devices, built-in lithium battery (8000 mAh/3.7V). Input 5V-1.5A. Output: Port 1: 5V-2A. Port 2: 5V-1A. The PowerCharger can be charged by USB, with the included USB-cable. Suitable for charging the most common devices (eg smartphones and music players) and ideal for charging tablets. The PowerCharger 8000 complies with the European directives and comes with a USB/micro USB charging cable, A-grade lithium battery and multilanguaged instructions. 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 gift box.