What settings are you using ? can you please elaborate on this as mine doesn't last more than one day !!
Sorry, I haven´t read xda for a long time, I´ll answer you now...
First, screen brightness 20-40% (only 100% if needed), I also use black wallpapers, OLED reduces power comsumption a lot with this 2 small tricks.
Second.
SetCpu 2.21
http://xdaforums.com/showthread.php?t=505419
Autodetect
-Main-
Max 1075
Min 245
Sacaling: Ondemand
Profiles (enabled)
Temp >50.0ºC Priority 100 max 614 min 245 Ondemand
Charging Priority 90 max 1113 min 245 Ondemand
Screen Off Priority 80 max 245 min 245 Ondemand
Battery <10% Priority 70 max 576 min 245 Ondemand
With this, my batterys last at least 2 days with intensive use.
I hope this will be useful for you too.