20000mAh high density Li-Po battery, compatible with multiple mainstream phones and other more smart devices. Dual USB-A Output: Charging for two of devices, 9V-2A MAX, 12V-1.5A MAX Dual Input ports: Micro USB + USB-C 9-layer circuit chip protection guarantee charging safety and enhance charging efficiency. Portable use, applied for LED lamp, portable pocket-sized fan and more needs. Battery type: Lithium ion Polymer Battery Battery energy: 74Wh 3.7V 20000mAh Rated Capacity: 12000mAh(5.1V/3.6A) Input Interface: Micro-USB/USB-C Input: Micro/USB-C: 5V 2.1A, 9V 2.1A, 12V 1.5A Output: 9V 2A MAX, 12V 1.5A MAX Output Interface: 2xUSB-A Product Size: 154*73.6*27.3mm