This article explains how to connect USB-C Power Adapter to Windows I-Series 2.0 Devices

This Tech Bulletin describes how to properly connect the USB-C Power Adapter to the Windows I-Series 2.0 Devices. 

Steps
1. With I-Series 2.0 device lying face down on a protective work surface, use the #1 Philipps screwdriver to remove the security screw.
2. Pull the plastic cover up and off to access the USB-C power connection.
a. Location of USB-C power connection.
3. Remove the USB-C Power Adapter from the accessory box.
4. Plug USB-C power adapter into the USB-C power port on back of the I-Series 2.0 device.
a. Connector plugs in the upward direction. 
5. Replace plastic cover and security screw.