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Basics
Optimizing battery life
You can extend your battery’s life by turning off unwanted features
and applications. You can also monitor how applications and system
resources consume battery power.
Extending the life of your battery
You can extend the life of your battery by performing the following
operations:
• Turn off wireless communications you are not using.
If you are not using Wi-Fi, Bluetooth, or GPS, use the Settings
application to turn them off. (The GPS receiver is only turned on when
using an application that uses it.)
You can also switch Wi-Fi, Bluetooth or GPS easily by opening the
Notification panel and tapping their icons.
• Turn down screen brightness and set a shorter screen timeout.
• If you do not need automatic syncing for Contacts, Calendar, Gmail,
and other applications, turn them off.
• Use the Power Control widget to check and control the status of
radios, the display brightness, and syncing.
Adding widgets is described in “Adding an item to the Home screen”
on page 36.
Checking the battery charge level
1. From the Home screen, tap the Menu key > Settings > Battery.
The battery status (charging, discharging) and level (as a percentage
of full charge) are displayed at the top of the screen.