Since the moment we started using the new iOS 7 system with our iPhone 4S it seems like our battery life has suffered. Here is 2 short settings to help
First thing is to turn off the Parallax effect. This is the very cool looking wallpapers that seem to move when you move your phone around. It’s neat but useless and eating your battery.
Go to settings,
Now let’s turn off some apps ability to update in the background.
BACKGROUND APP REFRESH
You can choose to turn off the feature entirely or just certain apps.
That should help your battery last longer.