Still suffering from battery issues using iOS7 on your device. You do have some options to try out. Most are simple settings that can be changed with in minutes.
Disable App Refresh -
Settings, General, Background App Refresh, and then turn off the switch.
Disable App Updates -
Settings, iTunes & App Store, and then switch off Updates under the Automatic Downloads section.
Disable Wallpaper Parallax -
Go to settings, General, Accessibility, and then switch on Reduce Motion which turns off the home screen’s parallax view.
Searching for WiFi -
Go to settings WiFi, at the bottom turn off Ask to Join Networks switch at the bottom.
Notifications -
Go to settings and then Notification Center and start turning off notifications on the lock screen and for other apps that you don’t need to be notified on.
Locations Service -
Settings, Privacy, and then Location Services to turn the whole thing off or just for the apps you don’t want to use the GPS receiver.
For additional tips and information check the link below
How to fix battery life issues with iOS 7, iPhone 5s, and iPhone 5c | iMore
Disable App Refresh -
Settings, General, Background App Refresh, and then turn off the switch.
Disable App Updates -
Settings, iTunes & App Store, and then switch off Updates under the Automatic Downloads section.
Disable Wallpaper Parallax -
Go to settings, General, Accessibility, and then switch on Reduce Motion which turns off the home screen’s parallax view.
Searching for WiFi -
Go to settings WiFi, at the bottom turn off Ask to Join Networks switch at the bottom.
Notifications -
Go to settings and then Notification Center and start turning off notifications on the lock screen and for other apps that you don’t need to be notified on.
Locations Service -
Settings, Privacy, and then Location Services to turn the whole thing off or just for the apps you don’t want to use the GPS receiver.
For additional tips and information check the link below
How to fix battery life issues with iOS 7, iPhone 5s, and iPhone 5c | iMore