Xiaomi Mi 50W Powerbank 20000Mah Black Power Bank

Key features:
20000 mAh suitable for air travel
Type-C 50W MAX
Can charge three devices simultaneously
Supports type-C laptop charging
Fully charged in 4.5 hours

Features
Battery type: Lithium-ion polymer battery
Battery power: 74 Wh 3.7V 20000 mAh
Rated capacity: 12000 mAh(5V/4A)
Input port: Type-C
Output port: USB-A/Type-C
Input parameters:
5V⎓3A 9V⎓3A 12V⎓3A 15V⎓3A 20V⎓2.25A
Output parameters: 50W MAX
USB-A (single port):
5V⎓3A 9V⎓2.23A 12V⎓1.67A 10V⎓2.25A
USB-A (two ports): 5V⎓3A
Type-C:
5V⎓3A 9V⎓3A 10V⎓5A 12V⎓3A 15V⎓3A 20V⎓2A
Three ports:
5V⎓4A 9V⎓3A 10V⎓5A 12V⎓3A 15V⎓3A 20V⎓2A
Charging time:
Approximately 11 hours (5V/2A charger)
Approximately 6.5 hours (18W charger)
Approximately 4.5 hours (45W charger, charging cable in the package)