Battery Status от Estuardo

Addon for Windows OS only. This addon shows an icon on your toolbar which represents the current battery level. This is updated on the toolbar, and constantly updates the current state in the addon's popup indicating battery status, battery power level percentage, and power line status where a thunder icon is connected and no thunder icon is disconnected.
IMPORTANT: To make it work, a software is needed to interact with the battery status addon. The software serves a service to tell the battery current status and the addon reads it.

Thank you
https://ko-fi.com/estuardolh