A laptop power supply. It's a circular 4-pin connector
https://digipres.club/system/media_attachments/files/113/047/628/388/416/845/original/79b32ab9a36e6bbd.jpeg
HOT TAKE: if you design a laptop with a power supply that looks like this, you should go to jail.
Laptops should be powered by TWO WIRES and the voltage, amperage, and polarity should be WRITTEN ON THE BOTTOM, UNDER PENALTY OF LAW
076萌SNS is a social network, courtesy of 076. It runs on GNU social, version 2.0.2-beta0, available under the GNU Affero General Public License.
All 076萌SNS content and data are available under the Creative Commons Attribution 3.0 license.