https://youtube.com/playlist?list=PLUskUU-NvGqji834209K5PsOBQLiH8vHg

TROUBLESHOOTING
https://julietapp.blogspot.com/p/troubleshooting-general.html

This app allows you to configure four sound notifications based on battery status.
You can configure only one sound notification per mode.
You can enable the modes you prefer.

FEATURES AND BENEFITS
• Persistent service: Background service
Autostart on boot and after update
• Custom sound notification: You can choose any audio file
• Custom battery percentage
• Text to speech
• Ringtones
• Easy to use

OPTIONS
• Battery Full & Low
• Battery Plugged & Unplugged

WARNING
If the Text-to-speech service does not work, make sure the internet connection is available