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How to make your Android smartphone's battery last longer

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© nextpit

Smartphone batteries don't last forever, and some devices have an almost-embarrassing screen-on time. Those big, luscious AMOLED and LCD screens and taxing apps are an obvious drain on your battery, but there are lots of things you can do behind-the-scenes to make your Android last longer. Let's explore how to increase battery on your smartphone.

How Android batteries work

First, some background: most smartphones have either a lithium-ion battery or a lithium-polymer battery. Both are actually lithium-ion though, and as such, do not have a 'memory', which means you can charge them from any level – you don't have to fully discharge them before charging them up – and you don't have to charge them all the way to 100 percent.

In fact, these types of batteries suffer from low voltage problems, so it's actually better to partially charge them (say, from 20 percent to 90 percent) than to fully charge and fully drain them. Battery care is always open for debate though, so for every accepted tip there will be someone that says it makes no difference. Just find the ones that work for you and you can increase battery on your Android device.

To our chagrin, most devices released nowadays don't have removable batteries. This looks like it won't change anytime soon. And despite most of them being close to 3,000 mAh they still need to be optimized, especially for demanding new games. Take advantage of some of the tips below and really get the most out of your smartphone.

Black wallpaper can increase battery

If your phone has an AMOLED screen (like most Samsung devices), use a dark-colored background. Black wallpaper can increase battery life because AMOLED screens only illuminate the colored pixels. Black pixels are unlit, so the more black pixels you have, or the more darker pixels, the less power is needed to light them up.

To download a completely black wallpaper, tap the link here.

  • Now, save the picture and go into your Settings.
  • From there tap Wallpaper hit Choose wallpaper and scroll down to Gallery.
  • You should be able to find the black wallpaper you just saved.
  • Hit set to wallpaper and lock screen.

Watch the video below to see how this is done:

Doze Mode

Doze mode has been around since Android Marshmallow, but has been improved with newer Android versions. Before, Doze would only work when the smartphone has been stationary for a while. But now, it can also work when it's being moved around (in your bag or pocket while you're on the go, for example). The screen just needs to be off to work.

Doze mode essentially just shuts down things you're not using depending on how long it has been since you've touched your phone. Network connection is severed and syncing only happens during specific intervals. When you're away from your phone even longer, more things are stopped, like GPS, Wi-Fi scanning and all syncing.

Turn off Google Assistant

Stop your phone from always listening. Google Assistant is a fantastic and often very functional feature. The problem is that it can wreak havoc with your battery. Especially if you don't actually use it or only use it occasionally.

Go into Google>Search from your Settings menu and tap Google Assistant>Settings heading. On the next page, select your device and toggle off Google Assistant for longer battery life.

Don't let your apps fall behind the times

Keep your apps updated. There's a reason developers constantly update apps, and most of the time it's for memory or battery optimization. Keeping your apps updated also means you have the best optimizations available. Likewise, delete old apps you no longer use, because these may be running background processes that chew up RAM and battery life.

Once you've ensured your apps are up-to-date you can go through them individually and check if they're optimized for battery life. This can be done quite quickly. Just go into your Settings and tap Battery. From there hit the menu button (three dots at the top right of your screen) and go to Battery optimization. From there you can see which apps are optimized and change them. You can only change the non-essential system apps. Watch the video below to see how this is done.

Use the 'Lite' or 'Go' versions of apps

To save battery life, not to mention mobile data, you can take advantage of 'Lite' versions of popular apps, or even Google's new suite of 'Go' lightweight apps. These are stripped down to their essential features and designed to be simpler and more economical than their full counterparts. Facebook and Messenger both have Lite apps available in the Play Store.

Skype also has a Lite app in the Play Store, but it may be unstable as it is technically unreleased. Social networks such as Twitter and Instagram, also have Lite versions available to download. 

Use Greenify

Unlike many Android apps that claim to optimize performance and increase battery life, Greenify actually works. Greenify allows you to put other apps into hibernation when they aren't in use, preventing them from operating in the background.

This frees up system resources and boosts battery performance, but requires a bit of thought. For Greenify to be effective you can't just hibernate every installed app. But since there are a lot of Android apps that perform actions you don't know about, or necessarily want, this is a useful tool.

This can be helpful in many situations. For example, you might use the Amazon app to browse for things to buy, but don't want it to operate in the background or send notifications. There might be other apps on your Android device operating in the background without a good reason. Greenify stops this by sending those apps into hibernation, which reduces their impact on the system, saving battery life while improving performance.

AndroidPIT how to safe battery life 1
Greenify promises to reduce battery drain while your device is not being used. / © NextPit
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Don't use adaptive/auto brightness

Don't use display auto-brightness. It may sound useful, but auto-brightness is usually way brighter than you really need. It's better to manually set the brightness to a level that is low but comfortable, and bump it up when necessary. This is one of the best ways to improve your battery life, because the screen is one of the biggest battery suckers.

To ensure your adaptive/auto brightness is off go into the Settings>Display in many devices and toggle the adaptive brightness. 

AndroidPIT how to safe battery life 2
Save battery by using the manual brightness controls. / © NextPit

Turn off vibrate and haptic feedback to save battery

Switch off vibrate. Unless you really need that added awareness, turn off vibration alerts for incoming calls. It actually takes more power to vibrate your phone than it does to ring it. Turn off haptic feedback too (that buzz you get from typing on the keyboard). Sure it feels cool, but it doesn't really add anything to your experience, and it's another battery drainer. Watch the video below to see how you can do this.

Set your 'Do Not Disturb' or 'sleep' schedule 

Set sleep times or blocking mode to switch off Wi-Fi and mobile data when you don't need them. If your phone is basically off limits at work, set your device to not ring, vibrate or connect to the internet while you're at work. Many phones have a Do Not Disturb setting for just this purpose.

Likewise, you can set your phone to airplane mode when you're asleep or use sleep or blocking modes to set up limits for what your phone does during certain times of the day, whether that's while you're asleep, at work or in a meeting. Cool apps such as IFTTT let you create rules that can help you save battery life too.

You don't need to be connected 24/7

Turn off GPS, Bluetooth, NFC, Wi-Fi and mobile data whenever you don't need them. Turning off location data, or changing your location settings to use Wi-Fi or 4G data rather than GPS works perfectly well. This will increase battery on your Android device.

Only turn on Bluetooth and NFC as long as you need them (even though they consume very little power), and there's no need to have both Wi-Fi and mobile data turned on at all times, especially if you know exactly when you'll need one or the other.

If you use Wi-Fi a lot though, say at home and at work, then it makes sense to keep set your Wi-Fi to 'Always on during sleep' as this uses less power than to have your Wi-Fi reconnecting every time you wake your phone. Most of these can be found in your Settings.

Don't get bogged down by widgets

Ditch widgets you don't need, especially those connected to the internet, such as weather widgets. If you have multiple widgets across several home screens, which are constantly syncing and updating (Twitter, reddit, weather, Gmail and the like), you're not doing your battery any favors. Just hit the apps when you need them.

If you already have a bunch of useless widgets on your device then you just need to do a couple of things and they'll be gone. Long press on a blank space on your home screen. Now drag the widget you don't need into the trash bin at the top or bottom of your screen (it depends on the brand).

Explore the battery saving features on your phone

All ROMs, whether stock Android, OEM UIs such as TouchWiz, or custom ROMs like LineageOS, have various settings in the menu to help conserve or optimize battery consumption. Most, manufacturers, including Samsung and Huawei, feature a Power Saver mode you can just toggle on.Find these various options for your device and ROM and make them work for you.

Even if your phone doesn't have layers of battery saving features like some (or you simply don't want disable so many features), at least make use of the basic battery saver mode.

AndroidPIT how to safe battery life 4
Battery saver promises to reduce battery drain while your device is not being used. / © NextPit

Don't fall into the auto-sync trap

Turn off auto-syncing for Google accounts. If you don't need every single Google account updated every 15 minutes, just go into Settings and Accounts (or Cloud and Accounts, User and Accounts, etc. depending on your brand)and turn off auto-sync for those apps you don't need constantly updated.

Some apps – like email – let you manually refresh when you launch them, rather than running multiple auto-refreshes throughout the day when you may not need them to. The same goes for Twitter, Reddit and co. Unless you need constant updates or push notifications (like for Facebook or your calendar) just sync when you actually use the app.

Did we miss anything? What are your best battery saving tips? Tell us about them in the comments.


This article was updated with contributions from Brittany McGhee.

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Cory Schmidt

Cory Schmidt
Editor

A Minnesota native, Cory's background is in writing and editing. He received his BA from the University of Minnesota-Twin Cities and his MA from the University of Kansas. He joined the Android community in 2009 and is excited to be contributing at AndroidPIT.

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119 comments
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  • 1
    Arrow Feb 26, 2020 Link to comment

    what bout auto screen off ?


  • 1
    Zora J. Edwards Apr 11, 2019 Link to comment

    All the tips are super cool and awesome. Thanks for sharing this information


  • 1
    srimanta murmu Nov 10, 2018 Link to comment

    relay your use black wallpaper advice is very excellent......


  • 3
    Smiling Dementia Oct 17, 2018 Link to comment

    For a black background you can turn off the light switch and take a pic without flash right... Then you don't have to worry if the page is hacked bugged or has any viruses either. (Those that are insanely security/privacy obsessed. Make your own black background.


  • 2
    Adam Jones Aug 17, 2018 Link to comment

    Don't charge to 100%. It reduces their performance on the long run. 97% is optimum

    Dimitris Hatzibougias


    • 3
      Smiling Dementia Oct 17, 2018 Link to comment

      That's only really helpful if you pay attention when not using it. If you pass out watch tv or otherwise ignore it whilst recharging...


  • Shrikant Kanade 2
    Shrikant Kanade Jan 6, 2018 Link to comment

    turn of animations from settings, always keep airplane mode on while charging

    Dimitris HatzibougiasDeactivated Account


  • 27
    Sorin Dec 30, 2017 Link to comment

    Obviously, every application that runs in the background consumes memory and that's why it's good to keep only the really important applications. I used battery economists for a while, but I noticed that their effect is not what I expected, so I quit any optimizer. Personally, the WiFi connection keeps on working all the time. Together with the minimum of applications I need, the battery holds me for 2 days, which I am pleased with.

    Dimitris Hatzibougias


  • Mike 22
    Mike Dec 30, 2017 Link to comment

    Turning your phone off at night works well too


    • Alec B. 12
      Alec B. Apr 6, 2018 Link to comment

      ..older mob;s had 7 day settings, you could set on off da/night times .. if this is not a new mob .....mine is
      I wont buy it.a godsend.


  • Allan Morris 7
    Allan Morris Dec 30, 2017 Link to comment

    I keep the Wifi scanning and Bluetooth scanning for location accuracy always turned off. It really helps.


    • 3
      Smiling Dementia Oct 17, 2018 Link to comment

      Having your own pvt wifi and password encoding is best. I have all scanning or "allow my device to be shown" turned off. My network is supplied by a wireless giant. They alone know about it. No 1 else needs access. I don't use bluetooth. If others want wifi or anything they can buy their own service or upgrade to "Unlimited Data" plans. Mid power saving is useful if customized. Max disables apps and is work environment only.


  • Rusty H. 33
    Rusty H. Dec 29, 2017 Link to comment

    Years ago I just went with phones that have 4,000mAH batteries or larger, run everything wide open and still have over 50% at the end of the day.

    Smiling Dementia


    • 3
      Smiling Dementia Oct 17, 2018 Link to comment

      4000 mAh? I thought S9+ 3500 lithium ion were the best and newest battery tech.


  • 27
    Sorin Dec 15, 2017 Link to comment

    It'd okay tot turn off Gmail sync, now is more silence !


  • 1
    Ronak Shah Sep 13, 2017 Link to comment

    I agree with almost all your tips and I also seem to have some more tips myself.


  • Rothman 12
    Rothman Sep 11, 2017 Link to comment

    "Black wallpaper can increase battery"

    OH NO! Please drain my battery :D

    Dean L.


  • 21
    Peter Harwood Sep 10, 2017 Link to comment

    To make your phone battery last you treat it the same as any other type of battery, thats never run it down to low, never fast charge as seems to be the practice now? Try keeping your battery above 50% try not to leave on charge when fully charged, slow regular charging that doesn't heat the battery is the key to a longer battery life with these days of non removable batteries.

    Dimitris HatzibougiasDean L.


  • Dean L. 34
    Dean L. Sep 8, 2017 Link to comment

    These are great tips at optimization of the battery life. Now all I need to do is follow the advice. Still a good read. Always nice to get a refresher.

    Rothman


  • Jerry's W. 20
    Jerry's W. Sep 7, 2017 Link to comment

    Old article with a few lines added.
    Still it's a good article.

    Dean L.

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