Use APKPure App
Get Fake Battery (Cupcake) old version APK for Android
Symulować ekran niskiego poziomu baterii (wersja Cupcake).
Fake Battery simulate the low level battery screen (Cupcake version).
Useful to avoid to give your phone to someone else ;)
IMPORTANT:
Donut users (Android 1.6), or higher, download the "Fake Battery" version with more features. This Cupcake version do not support live wallpapers.
It's just a set of combined images, if you don't like it please avoid irritating comments and don't install the app!
Features and setting: press *MENU* button and visit developer web site.