Android has a built-in battery monitor
Tweak display settings and features to improve battery life
Turning off Wi-Fi and Bluetooth when you're not using them can save a substantial amount of battery power
Turning down display brightness is an easy way to decrease battery use
Battery Doctor is a free app that scans your system and give you a one-button solution to save battery power.
Battery Widget Reborn has a lot of settings and features for users who want more control over the battery
Here's some helpful tips for getting the most battery life from your Android device between charging
Disable Location-based services to save battery power on your Android device.
If your Android device is powered on all of the time, you may well find that you run out of juice before the end of the day. Though batteries in such devices are getting more powerful, so are the features and apps that run on them. Since some of these features aren't needed all the time, they can be turned off until you need them. Here's a look at how to get more up time out of your battery by changing basic settings manually, and a look at a couple of battery saving apps.
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