Lithium Polymer (LiPo) , Capacity 20000 mAh , Battery capacity 74 Wh , USB Power Delivery up to 20 W , 2xNumber of simultaneously connected devices (max) , Colour Grey , Charger compatibility Mobile phone/Smartphone,Notebook/Netbook , Built-in display Yes , Input interface USB Type-C , Output voltage 5 V , Weight 405 g