Lithium-ion battery, Rated capacity 2800mAh (5V 12.4A), Rated energy 18.5Wh 3.7V 5000mAh, USB-C input and output ports, Input 5V⎓3A / 9V⎓2.22A, Wireless output 7.5W max, Wired output 5V⎓2.4A / 9V⎓2A max, Simultaneous wired and wireless output 10W max, Dimensions 103.7×68.3×12mm