Apply the system theme and reboot. Now select my theme & apply.
You may get an error: 'Sorry, this theme is missing assets for your device's screen size'.
Ignore that and apply it anyway and REBOOT.
CM9 CM10 CM10.2 CM11 & AOKP THEME
ROOT and a custom ROM like CyanogenMOD needed.
For HDPI,XHDPI and XXHDPI phones only.
This a minimalistic matte ICS Jelly Bean Kitkat Holo Blue colored theme.
This theme has xxhdpi(1080p) assets and will look sharp on newer 1080p resolution phones such as Galaxy S4, HTC One, LG G2 and Nexus 5 etc.
The battery icon cannot be themed in Kitkat 4.4.
Use XPosedMOD along with GravityBOX to disable the icon altogether.
I have themed this battery app: https://play.google.com/store/apps/details?id=net.hubalek.android.gaugebattwidget
It will place a themed battery icon on your statusbar as seen in the screenshots.
Sonny Sekhon (sonnysekhon on xda)