Do you need a travel charging adapter for the EU? Here is one for a Quick Charge wall charger.
No other pieces are needed.
Just plug in the USB part into the adapter/charger & power up your device.
Specifications:
Brand Name: BlitzWolfMax. Output Power: 18w
Output Interface: 1 A Port
Type: Desktop
Power Source: A.C. Source, USB
Quality Certification: ROHS, FCC, ce
GaN: No
Model Number: S5
Input: 100-240V/0.3A