Model: 20000mAh Mi Power bank
Battery Type: Lithium Polymer
Battery Capacity: 20000mAh 3.7V (37Wh)
Rated Capacity: 13500mAh 5.1V (TYP 1A)
Input Interface: Micro-USB
Output Interface: USB-A 
Input Data: 5.0V2.0A / 9V2.0A / 12V1.5A
Single Port Output :5.1V2.4A / 9V1.6A MAX / 12V1.2A MAX
Double Port Output: 5.1V2.4A(15W MAX)
Products Size: 147×71.2×14.2mm
Package including : Power bank, USB Cable, User Manual