How can increase the battery lifespan of a iphone 3gs?

A battery life always depends upon how they are configured. But a few features may also decrease your iphone 3gs battery life. There are certain tips which can always help you to increase the battery life of your iphone 3gs ,minimize the use of the location services on your Apple iphone 3gs, turn off the push notifications because applications that extensively rely on push notifications may impact battery life, you can even save your battery life by fetching new data less frequently. If you have a push mail account such as Yahoo! or Microsoft Exchange, turn off push when you don’t need it, this will also help to increase your battery life, and if you rarely use Wi-Fi, you can turn it off to save power, and one of the best known tip to reduce the power consumption of your iphone 3gs battery is toad just brightness of your iphone 3gs, also in addition, turning on Auto-Brightness allows the screen to adjust its brightness based on current lighting conditions. These are some of the common techniques which if followed will help you to increase your iphone 3gs battery life.