Lithium-Ion (Li-Ion) , Capacity 20000 mAh , Battery capacity 77 Wh , Fast charging Yes , USB Power Delivery up to 20 W , 2xNumber of simultaneously connected devices (max) , Colour Black , Charger compatibility Mobile phone/Smartphone,Notebook/Netbook,Tablet , Built-in display Yes , Input interface USB Type-C , Total output power 20 W , Weight 360 g , Cables included USB Type-C