1.As the total output is 18W max, it will not be in fast charging mode when charging 2 devices
or 3 devices together.
2. The Calculation formula for rated capacity is below.
20000mAh*3.7V/5V*conversion efficiency（around 85%)=12600mAh
3. The USB-C cable is included but not included the usb charger
PD + QC3.0 Power Bank 20000mAh
18W USB PD Power Bank
Quick Charge 3.0 Output
More STRONGER AND POWERFUL
Comfortable Soft Touch
portable battery charger
High Capacity 20000mAh
It’s a safety power bank that you can
take it on the airplane