Generally, a LAN wire is used to access network communication (Laptop - Laptop LAN connection). But having additional pins than in a LAN wire, there is a chance of even charge transfer if required.
This technique can also happen by connecting the LAN wire to the LAN port and the Laptop (LAN PORT - Laptop).
For example, when a USB cable is conneced between a mobile and a laptop or a PC. The charge, even the data transfers. And even we can access and browse the files in the guest's system.
This specific technique comes into the play when our charging point is spoiled.
* * * * * * * * * * It's Just An Alternate Way To Charge The Laptop. * * * * * * * * * *