If the handset is experiencing a short battery life, disabling some features and modifying settings may help.
Reducing backlight brightness and backlight timeout can improve battery life.
From the home screen, tap the Menu key.
Tap System settings.
Scroll to and tap Display.
Tap to check or uncheck Automatic brightness as desired.
If Automatic brightness is unchecked, tap and drag the slider to the lowest comfortable brightness level.
Once finished, tap OK.
Tap the lowest comfortable screen timeout setting.
Using a live wallpaper can drain the battery faster.
To change this, tap Wallpaper.
Tap the desired Wallpaper location.
Note: Do not tap Live wallpapers.
Scroll to the desired wallpaper and tap Set wallpaper.
Leaving unused antennas on while not in use can also drain the battery faster.
To disable these features, tap the Back key.
Tap the Wi-Fi and Bluetooth slider to OFF if they are not actively in use.
Leaving GPS on when not in use can drain the battery faster.
To disable GPS, from the System settings menu, scroll to and tap Location services.
Tap to uncheck Googles location service and GPS satellites.
Tap the Back key when finished.
Stopping unused running services and applications can help conserve battery life.
From the System settings menu, tap Apps.
Scroll to the RUNNING tab.
Tap the desired service or application.
Tap Stop, and then confirm the prompt by tapping OK.
Tap the Back icon when finished.
Note: If the option to stop is not present, the service can not be stopped.
Turning off vibrate notifications can improve battery life.
From the System settings menu, tap Sound.
Tap to uncheck Vibrate when ringing if currently checked.
Note: If the device is currently in Silent mode, then all other Vibrate options will not be selectable. If so, tap Silent mode and then tap Off to disable it.
Scroll to and tap to uncheck Vibrate on touch if it is currently checked.
Tap the Back key.
Setting the handset to download or sync less information or less often can improve battery life.
From the System setttings screen, tap the desired account type.
Tap the preferred account.
Tap to check or uncheck the preferred sync data as preferred.
Tap the Home key when finished.
Charging the handset on a regular basis will maximize the battery life.
The Charger/Connector port is located on the left side of the handset.
Plug the charger into the power socket and then connect it to the handset.
The handset is now configured to conserve battery life.