This app _tries_ to show battery level of the bluetooth devices. Bluetooth device MUST have Hands-Free profile (accept, reject phone calls) or GATT profile (usually 4.0+ Low Energy devices).
To recheck battery level just tap on the notification.
To Download BatON For PC,users need to install an Android Emulator like Xeplayer.With Xeplayer,you can Download BatON for PC version on your Windows 7,8,10 and Laptop.
How to Play BatON on PC,Laptop,Windows
1.Download and Install XePlayer Android Emulator.Click "Download XePlayer" to download.
2.Run XePlayer Android Emulator and login Google Play Store.
3.Open Google Play Store and search BatON and Download,Or Import the apk file from your PC Into XePlayer to install it.
4.Install BatON for PC.Now you can play BatON on PC.Have fun!