Functional external battery in a stylish aluminum protective case. The digital LCD display will show the remaining charge level at any time. The power bank charges through the universal Type-C port, as well as through Micro-USB, and delivers energy through two classic USB ports and a Type-C port. Thanks to the built-in display on the case, monitoring battery consumption is very convenient. The charge is displayed in percentages. Battery capacity: 20,000 mAh Battery type: lithium-polymer Case material: aluminum alloy Input ports: Micro-USB, Type-C Output ports: USB, Type-C Input voltage Current: 5V 3A, 9V 2A, 12V 1.5A Output voltage Current: 5V 3A (Type-C), 5V 2.1A (USB) Charging cable included Indication of battery charge level on the LCD display Included in the kit: 1. Universal battery 2. USB cable with USB-A and Type-C connectors for charging