1- Turn Down Brightness: If you want to save and increase the battery timing of your iphone or ipdod then you must decrease the brightness.
2- Switch off Bluetooth: 2nd tips for increase your battery timing is when you not using the bluetooth then switch off it.
3- Switch off 3g: This is another best tips for saving battery time. Switch off the 3g.
4- Auto Lock on: Make sure your auto lock turn on or if its not on then always lock when u not using iphone
5- Switch off the equalizer: Apple has always suggested turning off the iPod. Make sure the ipod equalizer turn off.
6- Turn off location service: Applications that actively use location services such as Maps may reduce battery life. So disable this option and save your battery time