How to increase your iPhone’s battery life on iOS 7

An iOS 7 device with everything turned on can run down your battery faster than the same device running iOS 6. To avoid having to charge your iPhone so much, iOS 7 requires you to select which features are important to you.

via GigaOM http://gigaom.com/2013/09/28/how-to-increase-your-iphones-battery-life-on-ios-7/