Can you check in the charging port with a torch just to make sure there is no foreign debris inside @dsss
To help rule out the charging port are you able to use someone's fast charging pad to see if your phone super fast / fast charges that way ?
Daily Driver > Samsung Galaxy s²² Ultra 256Gb in Phantom Black.
The advice I offer is my own and does not represent Samsung’s position.
I have no affiliation with Samsung.
@dsss: Can you try powering off the phone, then connect it to your official charger at the wall using a plug adapter to see if this helps? If the issue persists, power on and head to the Samsung Members app > Get Help > Interactive Checks > USB and follow the on screen instructions to see if this flags any issues.