[wlesieutre]

Assuming this is USB-C ports, they're supposed to negotiate a supported power limit with the device you plug in. If the port is saying "I can deliver 60W" and then cutting out if you draw more than 30, there's something wrong with their chargers.

[rahimnathwani]

I'm assuming he's talking about the mains socket.

[btown]

There is something wrong with their chargers.