Highlights
20000mAh High capacity
Supports USB-C both for input and output, up to 45W. 
The USB Type-A single port provides 5V/2.4A, 9V/2A, 12V/1.5A fast charge but it gives 5V/3A output when two charging ports are  working at the same time. 
Surge protection, short circuit prevention and more advanced safety features protect you and your devices.
Specification
General
Brand:Xiaomi
Type:Power Bank
Model:PLM07ZM 
Color:Black
Specification
Battery type: rechargeable lithium polymer battery
Battery energy: 74Wh 3.7V 20000mAh
Rated capacity: 12600mAh (5V 5.4A)
Input interface: USB-C
Output interface: USB-A / USB-C
Input parameters: 5V3A / 9V3A / 12V3A / 15V3A / 20V2.25A
Output parameter: 45W MAX
USB-A (single port): 5V2.4A / 9V2A / 12V1.5A
USB-A (dual port): 5V3A
USB-C: 5V3A / 9V3A / 12V3A / 15V3A / 20V2A
Three ports: 5V5.4A / 9V3A / 12V3A / 15V3A / 20V2A
Working temperature:  5 ° C ~ 40 ° C
Charging time: about 11 hours (5V / 2A charger, charging cable inside the package)
                           About 6.5 hours (18W charger, charging cable inside the package)
                           About 4.5 hours (45W charger)
Weight & Dimensions
Product Weight:0.338kg
Product Dimensions:153.5×73.5×27.5mm                                
Package Weight:0.4kg
Package Dimensions:220×120×50mm
Package Contents
1 x Xiaomi 20000mAh Power Bank 3
1 x USB Cable
1 x User Manual