I just switched to a Razr Maxx after going through 3 different Gnex phones with 3 separate issues. I am unfortunately having some battery issues with this phone.
The phone lasts me about 18 hours tops using 3g/4g. There is some music streaming and other things going on too, in addition to games. I'm not expecting 50 hours life, but I have been hearing about people routinely getting 28 hours or so. I have only been able to get that high using wifi connections at home and work which seem to drain much less battery for me.
I am trying to follow FoxKat's suggestions to cycle to 15% to 100% with phone off. I have never charged the phone while it was on so far.
Should I be concerned about my battery life? I don't really get how people can go for 13-14 hrs and be at 78%. Using my phone lightly on this charge so far, I am at 83% for 3hr 41 min.