Here’s a link to the USA Amazon site for the USB-C to 5.5x2.5mm Zynthian Barrel Adapter:
With the relevant items 2 & 3 from the Product Description:
- Fast PD Charging: Support Type-C PD and QC2.0/QC3.0/USB PD,Build-in 100W DC20V 5A PD Emulator Trigger at type-c male end; Practical 100W Power Delivery,This adapter can support Max 100W 20V/5A Charging, It will supply USB-C power when your DC Laptop device is in use.
- Input: Type-C, 100W Charger; Output: DC Male, DC20V 5A 100W Max.(Also support 65w and 18.5V-20.5V). In order to ensure 100W Power output, The charger and cable must use specifications of 100W or higher.