Number of simultaneously connected devices (max): 2 Black Universal Built-in display Charging source: USB 15000 mAh 55.5 Wh 1 pc(s) Portable charger for mobile charges an average smartphone from 0-50% in only fifty minutes and 5 charges of an average smartphone. 2.4 Amp max output to charge tablets and mobiles. 15000mAh/55.5Wh portable power bank. Charge 2 devices via the USB-A and USB Type-C ports. Digital display to check remaining energy levels. Input 1: Micro USB DC5V/2A. Input 2: Type C DC5V/2A. Output 1: USB A DC 5V/2.1A (max). Output 2: Type C DC 5V/2.4A (max). Total Output: DC 5V/2.4A (max). CE certified. Design Shape Rectangle On/off switch Yes Built-in display Yes Charger compatibility Universal Product colour Black Number of simultaneously connected devices (max) 2 Performance Fast charging No Wireless charging No Battery capacity 55.5 Wh Charging source USB Ports & interfaces USB Type-C ports quantity 1 USB Type-A output ports 1 Input interface Micro-USB + USB Type-C Power