These numbers are all wrong. You must once again charge your phone, unplug it, restart the phone, drain it down then post your times.
from the looks of it you had it on for 3 days and got 12hrs and are on the 4th charge so i would guess if you fallow the steps above you will get about 3-4hrs of use on a charge.
The numbers are NOT all wrong. When you uplug your phone from the charger it resets the counter on the battery use screen. You can clearly see where the phone was unplugged from charger and lasted 12hrs+ with average use. You hear on here that people are getting only 5-6 hrs of use and not using their phone much. 12hrs+ without a charge is darn impressive no matter how much you use the phone. I personally don't care what the numbers on the phone says, all I care about is when I need to use the phone, the battery has sufficient charge to use the phone. Isn't that what it is all about?
FYI I rebooted my phone this am so you will see the 'real' numbers of a day of use.
Bryan