i watched a movie of 2hrs and it took 56 percent.
on a normal day.i went out at 11 a.m with full charge. i come home at 8 pm
during the day, i take 5 or 6 calls max. browse net for a total of 20mins. wifi connected for an hour.
thats it.i come home with 10 or 15 percent.(my brightness level is the lowest all the time) yesterday night i observed my phone on standby.i went to sleep at 3a.m with 82 and woke up at 12 pm with 76.

i only have few apps installed.i also get around 600 in powertop coz i flashed my N900 a month back and till then i hav been very concerned on apps i install