26 The Basics
Optimizing Battery Life
You can extend your battery's life between charges by turning off
features that run in the background. You can also monitor how
applications and system resources consume battery power.

Tips to extend the life of your battery

©Turn off radio communications that you aren't using.
If you aren't using Wi-Fi, Bluetooth, or GPS, use the Settings
menu to turn them off. (Note that the GPS receiver is only
turned on when you're using an application that makes use
of it.)
©Turn down screen brightness and set a shorter screen timeout.
©If you don't need them, turn off automatic syncing for Gmail,
Calendar, Contacts, and other applications.
©Use the Power Control widget to control the wireless
connections, GPS connection, Bluetooth power, display
brightness, and syncing activity.

To check the battery charge level

©Press the Home Key ,then touch the Applications
Launcher Key >Settings >About phone > Status.
The batterystatus (Charging and Discharging) and level (as a
percentage of fully charged) will be displayed at the top of
the screen.