User's Guide

For models with two USB-C connectors, the included ac power adapter features a USB-C plug. You can
plug the included ac power adapter into either of the USB-C connectors.
Figure 1. Models with two USB-C connectors
For models with a single USB-C connector, the included ac power adapter features a rectangular plug. Plug
it into the rectangular power connector on your computer. However, if you forget to carry the included ac
power adapter but you have a qualified USB-C charger, you may use the USB-C connector to supply power
to your computer or charge its battery.
Figure 2. Models with a rectangular power connector and a USB-C connector that supports power input
The maximum output power of a USB-C charger must be at least 45 W in order to work with the computer.
Lenovo USB-C chargers (not supplied) with the following ratings are tested to work with such models. The
power-supplying capability varies based on the specification of the charger.
Chapter 3. Explore your computer 17