This is a tutorial on how to show the Battery Percentage beside the battery power meter on the iPhone 3G, 4S, 5, iPod and iPad.
On your IPhone, IPod or IPad doe the following.
1. Go into Settings menu.
2. Go into General menu.
3. Go into the usage menu.
4. Scroll down till you see the Battery Usage menu.
5. Turn on the Battery Percentage menu.
And then you are done.