Confirm the apple 20W dock genuine or not
I bought a apple 20W dock from a shop, they sold me this confirm as genuine apple, I need to confirm this, because I have some doubts of box lables.
Absent an egregious error, nobody here can do what you ask; remotely identify a counterfeit.
Also, serial numbers are routinely copied, and are not useful for detecting counterfeits.
If you want an overview of similar difficulties identifying counterfeit AirPods: https://www.youtube.com/watch?v=Db99cXMD780