1. Reduce Screen Brightness
You can control the default brightness of your iPhone screen with this slider. Needless to say, the brighter the default setting for the screen, the more power it requires. Keep the screen dimmer to conserve more of your battery.

Dim the screen or turn on Auto-Brightness to extend battery life. To dim manually, go to Settings > Wallpapers & Brightness and drag the slider to the left. To return to the default behavior, turn Auto-Brightness off and then on again. When Auto-Brightness is on, your screen adjusts to lighting conditions automatically. To activate it, go to Settings > Wallpapers & Brightness and set Auto-Brightness to On.
Find it in

Settings app
Brightness & Wallpaper
Move the slider as needed
tips-to-extend-iphone-battery-life

2. Push out
The iPhone's Push function is great if you want an instant notification, but all that background polling for new notifications sucks power a little at a time. Turn to Settings==>Notifications and set Notifications to Off. This will save a little power. Now you've done that you might as well switch off Location Services, too (==>Settings >> General >> Location Services or use location services only when needed.)

3. Stop Motion & Animations (iOS 7)
One of the coolest features of iOS 7 is called Background Motion. It's subtle, but if you move your iPhone and watch the app icons and background image, you'll see them move slightly independently of each other, as if they're on different planes. This is called a parallax effect. It's really cool, but it also drains battery. You may want to leave it on to enjoy the effect, but if not, turn it off this way:

Settings app
General
Accessibility
Reduce Motion
Move slider to green

4. Silence Siri
Siri isn't much use if you don't have a good 3G connection. It doesn't know this, so if you have the 'Raise To Speak' function enabled on your iPhone it will bounce into action when you raise the phone to your ears. Switch that feature off: Go to Settings ==> General ==> Siri ==> Set Raise To Speak to 'off'
5. Make Sure Personal Hotspot Is Off
This only applies if you use the iPhone's Personal Hotspot feature to share your wireless data connection with other devices. But if you do that, this tip is key.
Personal Hotspot turns your iPhone into a wireless hotspot that broadcasts its cellular data to other devices within in range. This is a tremendously useful feature, but as you may have guessed if you've read this far, it also really drains your battery. That's an acceptable trade when you're using it, but if you forget to turn it off when you're done, you'll be surprised at how quickly your battery drains.
To make sure you turn off Personal Hotspot when you're done using it:

Settings app
Personal Hotspot
Move slider to off/white

6. Prevent Background App Refresh (iOS 7)
There are a number of new features in iOS 7 designed to make your iPhone smarter and ready for you whenever you need it. One of these features is Background App Refresh. This feature looks at the apps you use most often, the time of day that you use them, and then automatically updates them for you so that the next time you open the app, the latest information is waiting for you. For instance, if you always check social media at 7:30 am, iOS 7 learns that and automatically updates your social apps before 7:30 am. Needless to say, this useful feature drains battery.
To turn it off:

Settings app
General
Background App Refresh
Either disable the feature entirely or just for for specific apps

7. Manage your email
Applications such as Mail can be set to fetch data wirelessly at specific intervals. The more frequently email or other data is fetched, the quicker your battery may drain. To fetch new data manually, from the Home screen choose Settings > Mail, Contacts, Calendars > Fetch New Data and tap Manually. To increase the fetch interval, go to Settings > Mail, Contacts, Calendars > Fetch New Data and tap Hourly. Note that this is a global setting and applies to all applications that do not support push services." You can also turn off auto-checking of email completely: Settings > Mail, Contacts, Calendars, choose an email account, and set Account to Off. You'll still be able to check your mail manually as and when you need it.
8. Turn Bluetooth Off
Bluetooth wireless networking is especially useful for cell phone users with wireless headsets or earpieces. But transmitting data wirelessly takes battery and leaving Bluetooth on to accept incoming data at all times requires even more juice. Turn off Bluetooth except when you’re using it to squeeze more power from your battery.
Find it in:

Settings app
Bluetooth
Move Slider to Off/white

You can also access the Bluetooth setting through Control Center. To do that, swipe up from the bottom of the screen and tap the Bluetooth icon (the center one) so that it is grayed out.

9. Turn Off Other Location Settings
The iPhone can perform a lot of useful tasks in the background, but the more background activity there is, especially activity that connects to the Internet or uses GPS, can drain battery quickly. Some of these features in particular are not required by most iPhone users and can be safely turned off to regain some battery life.
Find them in:

Settings app
Privacy
Location Services
System Services
Turn off Diagnostics & Usage, Location-Based iAds, Popular Near Me, and Setting Time Zone

10. Get an external battery pack or case
There are loads of potential options on the market that will charge your iPhone up when you’re out and about. If you’ve got the room to carry a battery pack with you, it could save you in a jam. Or, you could check out the best iPhone cases and pick one with a built-in battery.

- See more at: http://trendymediablog.com/2014/08/21-tips-to-extend-iphone-battery-life/

At Fonehouse, we’re often asked by our customers how they can extend the battery life on their iPhone. In a world where we’re all getting increasingly busy, the demand for a phone which is long lasting and doesn’t run down has risen at an exponential rate. Conserving your phone battery can be a challenge, but thankfully there are a few things that you can do to make sure that it doesn’t drain too quickly. To try and help make sure that your phone stays on a good level of battery, we’re going to be taking a look at a few tips and tricks here.

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