Very thin, lightweight powerbank in a handy credit card format. Built-in lithium polymer battery (2400mAH / 3.7V). Input: 5V-500mA. Output: 5V-1000mA. The powerbank can be charged by USB with USB cable (incl.micro-usb and iPhone connector/excl. type-c connector). Suitable for charging the most common mobile devices (including smart phones - also compatible with iPhone 5-serie and up - and music players). Incl. manual. The powerbank meets the European directives and is available with a USB/micro-USB charging cable, A-quality lithium battery and instructions in more languages. When you divide the power of the powerbank (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 item is individually boxed.