This is one awesome tools you can edit your notifications messages, change icons and themes anything you want. Perhaps I will teach you on how to edit Battery Warning Notifications Messages.
But before you proceed make a backup. Then follow my instructions carefully!.
Note: I’m not liable if anything happen in your devices. Do it at your own risk!
2: Download and Install Xposed Installer. Setup first Tap Framework. Tap Install/Update then Soft Reboot.
3. Open Xposed Installer Tap Modules. Apply Check in Resflux [1.6] then Reboot.
5. Navigate SystemUI
6. Tap string and find this:
then edit anything you want…
7. Change battery icon and make sure the images in .PNG format. Then Reboot!
Wisdomsky of XDA
Mark Carandang for this tutorial..