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 Batteries and 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.
The status icon in the top bar shows the charge level of the main internal battery, and whether it is currently charging or not. The battery indicator in the system menu shows the charge as a percentage. The top bar icon can also be configured to display the percentage.