atongm Battery charger portable DIY power bank box 20000mah LCD PD22.5W for bidirectional fast charging

Features:
A DIY power back case, without battery, can charge 8pcs 21700 batteries (batteries not included)
Support full protocol fast charge 22.5W, two-way PD fast charge 20W.
22.5W output PD qc-afc scp-multi-protocol supports fast charging for laptop phone universal
You can board the plane without a declaration, safe and reliable
Transparent body, imported high-quality LED display can check the remaining power in real time

Features:
Item: 8pcs 21700 battery charger for box
Material: ABS-PVC
Color: gray/black/white
Size: about 157x52x59mm
Input: DC5V / 2.1A/20W
Output: 5V/2.1A/PD22.5W
Quantity: 1pc (not include battery and charging cable)

Package includes:
1 x charging case

Notes:
1. Transition: 1cm=10mm=0.39inch
2. Please allow 0-1cm error due to manual measurement. Pls make sure you do not mind before you bid.
3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!