So after a test with uv and uc (under clocking) I have good akku savings.
After over a hour I have lost 9%.
So now must come oc uv options for GPU.

»Samsung Galaxy S2 I9100G«
»Cyanogenmod 10«
»Horsepower kernel 2.0.6«
»Undervolted«
Devices: Samsung Galaxy S2 GT-I9100G
Roms: Xylon Rom
Kernel: Included