5. Decrease your screen’s brightness by 50%
The LCD screen is one of the biggest power hogs on your cell phone.
Some smart phones automatically detect the ambient lighting and self-adjust the brightness of its screen for you. Make sure you use this feature if your phone has it. Otherwise, you will have to change the brightness yourself.
Go to your phone’s menu settings and reduce the LCD brightness to 50%. This will lengthen the battery life of your cell phone. It may take time to get used to a darker screen but the benefit of a longer-lasting battery will be worth it.
Some phones will also allow give you an option to set the length the screen’s backlight will stay on. Set the backlight to remain on for the shortest duration possible, normally 15 seconds, when you’re not using your phone.
An added benefit of owning a BlackBerry is the company’s holster will automatically turn off the screen when you insert the phone.
6. Keep your calls short
This may sound obvious but it’s true. The longer you talk the more juice your phone uses. If you need to keep your battery from dying mid-conversation, limit your talk time.
1. Turn on Auto-Brightness
The iPhone has an ambient light sensor that adjusts the brightness of the screen based on the light around it. Turn this feature on and you’ll save battery because your screen will need to use less power in bright places.
Find it in Settings -> Brightness
2. Use programs with 3D less often.
Not surprisingly, I’ve noticed that when I play games rendering 3D, battery life drops. Using the graphics chips more intensely will crank up power usage, but maybe the drain is also because of the nature of gaming
3. Reduce Screen Brightness
Users can control the default brightness of the screen. Needless to say, the brighter the default setting for the screen, the more battery it requires. Keep the screen dimmer to conserve more of your battery.
Find it in Settings -> Brightness
4. Turn Bluetooth Off
Bluetooth wireless networking is especially useful for cell phone users with wireless headsets or earpieces. But transmitting data wireless takes battery and leaving Bluetooth on to accept incoming data at all times requires even more juice. Turn off Bluetooth except when you’re using it to squeeze more juice from your battery.
Find it in Settings -> General
5. Turn Off 3G
The iPhone 3G and later models operate on two cellular networks, EDGE and the faster 3G. Not surprisingly, using 3G requires more battery life to get the quicker speeds and higher-quality calls. It’s tough to go slower, but if you need more battery, turn off 3G and just use EDGE. Your battery will last longer (though you’ll need it when you’re downloading websites more slowly!).
Find it in Settings -> General -> Network
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