What is Fast boot?
When Fast boot is enabled, your device goes into sleep mode and power consumption is minimized, when you choose Power off from the Phone options that pops up when you press and hold the Power button. This helps the device startup quicker when you press the Power button to turn it back on.
To toggle Fast boot,
- Tap All apps
- Tap Settings
- Tap Power
- Check the circle for Fast boot to enable. Uncheck the circle to disable.
Fast boot is great for when you have to turn off your device (such as when you go into a meeting or are watching a play) but want your device to be ready as quickly as possible when you want to use it.
Note: Your device will still consume some power when you power down with Fast boot enabled although this is minimized.
How can I check what is using up my battery?
To see what apps and services have been your battery:
- Tap All apps
- Tap Power
- Tap Battery use
- This screen will show you the battery discharge graph, how long it has been off the charger and the apps that have been consuming the battery. Tapping on the graph will show you which radios were active while tapping on an app will provide you more information.
What can I do to get more out of my battery?
There are many things that you can do to get a longer running time out of your battery.
Sign out or quit applications you are not using
There are apps that automatically sign you in and run in the background at device startup and these can drain your battery quicker than usual. Sign out of these apps when you are not using or disable auto sign in if possible. For example, Google Talk automatically signs you in; if you are not using it, be sure to sign out by going to Talk and tapping Menu > Sign out.
Other apps run in the background until you explicitly quit them. If your app has a quit option, use that instead of tapping the Home button to exit it.
Do not use a Task Killer
The Android OS manages your memory so there is no need for you to use a task killer to close out each and every application. Some task killers may show an application as active and running when it is not and others may even kill applications that prevent normal function of your device (such as the Alarm function or email).
Control widget usage
While widgets can be useful to bring your information front and center on your home screen, having too many of them that are frequently updating (through the internet) can drain your battery quickly.
- Consider having an app shortcut instead of a widget.
- Consider using widgets for information that do not update frequently through the internet.
- Add widgets that control your device’s radio (e.g. WiFi and Bluetooth) to quickly turn them on and off instead of having to go through the settings options.
Use WiFi instead of Mobile data (3G/4G)
If you are going to be at a location that you have access to WiFi, consider connecting to the internet via WiFi instead of mobile data (3G/4G). Not only will this help with your battery life but it would also help with reducing mobile data usage in your plan.
Turn off radios that are not in use
While leaving on your WiFi and Bluetooth can be convenient, it can also drain your battery. Turn off these radios when you are not planning to use them anytime soon (e.g. when you are out camping and don’t have a WiFi connection nearby).
Configure Auto Sync
Auto sync allows your device to check your accounts in the background and provide you with new information but this can also cause your battery to drain quicker. You can easily tweak this setting in Settings > Accounts & sync. Consider increasing the time between syncs for accounts that you don’t need instant information on (e.g. sync Weather information every 12 hours instead of 1 hour).
Alternatively, consider turning off auto sync completely. You can still manually sync the account in the application when you use/open it. To turn off auto sync for an account, go to Settings > Accounts & sync > tap on the account > uncheck all circles in that account. If you want to turn off auto sync for all accounts, go to Settings > Accounts & sync > tap on the slide to the right of Auto-sync so that it says Off.
Configure your display settings
Your device’s screen is one of the biggest battery consumer and tweaking the options in this setting (Settings > Display & gestures) can improve battery standby time. Here are some options you can consider setting:
- Stay awake: Unchecking this option will allow your device to turn off the screen after a preset time and thus allows your device to charge the battery quicker.
- Brightness: Check to use Automatic brightness instead of using manually setting the level.
- Sleep: The smaller the time option selected, the quicker the device turns off the screen after the last tap or touch on the screen, which would lead to longer standby time.
Monitor what has been using your battery
Your device keeps track of what has been using the battery and you can access this in Settings > Power > Battery use. Screen and Cell standby are usually in the top 3 apps for battery use so if you see other apps, especially if is something that you installed but are not using very often or recently, considering uninstalling that app and looking for an alternative.
Do not let the battery run out. Charge when you can
Battery technology has improved over the years and the Li-ion battery in your device can be charged anytime, without having to wait for the battery to completely drain before doing so. In fact, discharging your device completely on a frequent basis can actually damage your battery.
Keep your device cool
Heat can cause your battery to die out quicker than usual. Try to keep your device out of sun during the summer months. Even indoors, you should try and keep it from heat sources (e.g. exhaust vent on a laptop).