Typical day of voice is between 1-2 hours, hold sucks. I'm a creature of habit, charge my phone from 2-5PM, when it hits the charger its right around 50% with about 4 hours of screen, plus talk time. When I try to kill it off for calibrating the meter is 44 hours of up time, 8-9 hours of screen, 3-5 hours of voice. I have to try real hard to kill it in 44 hours. You tube straight for 2 hours works pretty well to knock off 30% of my battery. My screen up time is texting, forums, email, FB etc. If it's not HD it might as well be a newspaper.