So the charging brick is not going to deliver the 20w its rated for. Are you saying something more akin to this would be needed?
https://www.amazon.com/GeeekPi-Raspberry-Supply-Charger-Adapter/dp/B07X8C6PV6/ref=sr_1_1_sspa?crid=624GGFOERH7V&keywords=usb+c+5v+power+supply&qid=1684178153&sprefix=usb+c+5v+po%2Caps%2C691&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUFQV0xSTFlNMFA0QzAmZW5jcnlwdGVkSWQ9QTAxMDE3OTYxWlY1UFFZT1pLMU1OJmVuY3J5cHRlZEFkSWQ9QTA0MzIwNjNEVDlZUlRSNE1ZV1Umd2lkZ2V0TmFtZT1zcF9hdGYmYWN0aW9uPWNsaWNrUmVkaXJlY3QmZG9Ob3RMb2dDbGljaz10cnVl