Note: In general, all of the information below can extend the time that your Android stays shining bright.
1. Turn Down Your Brightness
I know Bright screens look great but it always eating a lot of battery, so try to dim the backlight or brightness of your screen. Also try to avoid use animated backgrounds on your phone.
2. Adjust Your Screen Timeout
Your phone's screen is on, but you aren't around to use the phone? Often meet this kind of situation? If so, Just Minimize your screen timeout as far down as you can take it to stop needlessly.
When you are not using your phone, turn off your 3G or 4G network and Bluetooth and Wi-Fi. Both air signal and wireless connection will drain your phone's battery. And when your Smartphone constantly scans for wireless networks, it is consuming power!
4. Enable Power Saving Mode
This isn't available on all Android smartphones, but if yours has it, Power Saving mode represents a super-quick way to toggle a bunch of settings that can conserve battery life. This is the simplest way to extending your phone's battery life.
Navigate to Settings > About Phone > Battery Use to see an organized breakdown of what's consuming your phone's battery. Applications and features will display in a descending list of battery hogs. If you see an application you barely use or a feature you never use, just uninstall the app or turn off the feature.
Widgets are always useful but determine whether you need all of them on your home screen as a lot of widgets results in more battery usage. Remove the ones that are less frequently used.
Several of your Android apps, including Google Maps, use Location Services to pinpoint your position with precision. Turning these off might make your mapping experience a tad less accurate.
7. Use Battery-Monitoring apps to help you
Battery saver apps like Easy Battery Saver or JuiceDefender is really useful and powerful which offer you more control over the ways to gain precious hours of battery life. So try to download a similar popular app on your phone.
If you are using a Samsung galaxy s3, you can extend the phone’s battery life with its official Extended Battery Kit, which have goes on sale online now and could increase the battery capacity to 3,000mAh. So buy one if necessary.
9. Still having the trouble?