Just noticed that there is no any info about the charger serial number in System Information > Power > AC Charger Information. Is it okay?
AC Charger Information: Connected: Yes ID: 0x0000 Wattage(W): 94 Family: 0xe000400a Charging: Yes
I found a serial number on the charger but for some reason, my Mac doesn't identify it.
I'm using a MacBook Pro 2018 15-inch (Model A1990) and an 87 W Type-C Adapter. Both adapter and cable have serial numbers. First three letters of cable serial number: