Any tips on how to make iphone's battery last longer between charges?

Any tips on how to make iphone's battery last longer between charges?

Close all your apps

Turn brightness down low, eave wi-fi/3G off until you need it and turn off sound on apps

I have some tips which are I'm using. Try it may be it will help you.
1. Turn on Auto-Brightness
2. Reduce Screen Brightness
3. Turn Bluetooth, 3g/4g, Wi-Fi Off
4. Turn Off Location Services
5. Turn Data Push Off
6. Fetch Email Less Often
7. Set Auto-Lock Sooner
8. Turn off Equalizer when listening music.