Check the battery status
Display the status of the battery and connected devices
Open the Activities overview and start typing Power.
Click Power to open the panel. The status of known devices is displayed.
If an internal battery is detected, the Batteries section displays the status of one or more laptop batteries. The indicator bar shows the percent charged, as well as time until fully charged if plugged in, and time remaining when running on battery power.
The Devices section displays the status of connected devices.