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Device Basics 17
Extending Your 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.
●
Reduce your Backlight On time. (See Changing the Backlight Time Length .)
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Turn Bluetooth off when not in use. (See Turning Bluetooth On and Off .)
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Turn Wi-Fi off when not in use. (See To turn Wi-Fi on and connect to a Wi-Fi network
●
Deactivate the GPS when not needed. Most applications using this function will
periodically query the GPS satellites for your current location; each query drains your
battery. (See
Activating Location Mode .)
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Do not wait until your battery is completely depleted before charging your device.
Repeating this process of a complete discharge and recharge can over time reduce the
storage capacity of any battery.
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Turn off Automatic application sync. (See Synchronizing Accounts .)
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Use the Power Control Widget to deactivate hardware functions such as Wi-Fi, Bluetooth,
GPS, Synchronization, or LCD brightness setting. (See Adding and Removing Widgets. )
●
Check the Running Services and close any unnecessary applications.

Turn down screen brightness and set a shorter screen timeout. (See Display
Settings .)

If you don't need them to sync, turn off automatic syncing for Gmail, Calendar,
Contacts, and other applications. (See Synchronizing Accounts .)

Use the Power Control widget to check and control the wireless connections,
Bluetooth power, GPS connection, syncing activity, and display brightness. (See
Adding and Removing Widgets. )
To check the battery's charge level:
Tap > > Settings > About phone > Status .
The battery status (charging, discharging) and level (as a percentage of fully charged) are
displayed at the top of the screen.
To monitor and control what uses the battery:
The Battery Use screen shows which applications consume the most battery power. You can
also use it to turn off applications that you’ve downloaded, if they are consuming too much
power.