This is a casing for the MT3608 DC-DC Boost converter which can be used in various applications.

I use it to create a usb power box like PV-Productions sell to power my lego motors over usb, since my PV-Productions one broke.

You can print your own logo by first printing the logo in a different color and then changing material. To modify the 3d model you can use something Tinkercad.