ayatana-indicator-power 2.1.1-2 (amd64 binary) in ubuntu jammy

 This Ayatana Indicator displays current power management information and
 gives the user a way to access power management preferences.
 .
 The Ayatana Indicator provides a generic, multi-desktop-env aware
 approach of accessing power information and management features.
 .
 Ayatana Indicators are only available on desktop environments that
 provide a renderer for system indicators (such as MATE, XFCE, Lomiri,
 etc.).