Set the reminder song. Connect the charging cable. You do not need to run the app when charging. It will automatically notify you when charging is complete. Disconnect the power cable when charging is completed or close the window to close the notification song automatically.
The antivirus report shows that Battery charge sound alert is completely safe for usage. 똘켓 is the developer of this application that can be found in the Tools category. According to the latest data, the app is rated 4.4 on Google Play.