The battery stats are incredible. If I needed that much battery life, I would be all over this. The Galaxy Note II really is the best phone I have ever owned, and especially when you consider battery life. I can get a full day easily with the stock battery. I have chargers at my desk at home and work, so I never am without some source of power. Even when I am on trips, my phone lasts all day.
If I was having battery issues, I would be all over getting one of these.