Tips to extend the battery life of your mobile phone

Turn off Consilient Push when out of coverage

Turn off non-essential features when idle

Lower screen brightness

Turn off animated screensavers/wallpapers

Turn off vibrate mode and ring tones if not needed, turn down volume as well

If you're browsing the Web on a GPRS connection, make sure you set the GPRS connection to "only as needed" so that it turns itself off when you don't need it.

Purchase an extended battery