The Google Pixel 3 has a 2915mAh battery, which is smaller than its competitors. This means that the battery life is shorter than other phones, and users may experience low battery earlier in the day than expected. However, there are ways to improve battery life and fix battery drain problems. Users can reduce the display sleep time, switch from a Living Universe wallpaper to a static one, and restrict apps that use the most battery. The Pixel Watch 3, on the other hand, offers up to 36 hours of battery life and features a machine learning function that automatically detects sleep and enables bedtime mode.
| Characteristics | Values |
|---|---|
| Battery life | Up to 24 hours with Always-on Display |
| Up to 36+ hours in Battery Saver mode | |
| Display | Bigger and brighter |
| Performance | Improved |
| Fitness tracking features | Enhanced |
| Health features | Daily Readiness, Cardio Load, and Target Load |
| Loss of Pulse Detection | Detects when the heart suddenly stops beating and automatically calls for help |
| Integration with Google and Pixel devices | Allows users to control smart home devices, access voice notes, and unlock their phones and cars with their watch |
| Charging | The charger in the box is a USB-C Power Delivery (PD) charger that supplies 18W of power and charges incredibly quickly |
| Adaptive Charging | Turns on when you charge your phone between 9 PM and 4 AM with an active alarm set for 3–10 AM |
| Adaptive Battery | Limits infrequently used apps from waking up and draining the battery |
| Battery Saver mode | Turns on when the battery level drops to 15% |
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What You'll Learn

Reducing screen time-out/sleep settings
Set a strict phone cutoff time : Aim for 30-60 minutes before bed. During this time, you can switch your phone to Do Not Disturb mode to avoid the temptation of notifications.
Charge your phone outside the bedroom : Keeping your phone out of the bedroom prevents late-night scrolling and reduces the temptation to check your phone if you wake up during the night.
Dim the lights in your bedroom : 1-2 hours before bedtime, use lamps with warm bulbs instead of harsh overhead lights. Blackout curtains or an eye mask can also help block out extra light.
Adjust the brightness on your devices : Reducing the brightness on your devices, especially in the evening, can help cut down on blue light, which disrupts your natural sleep cycle.
Switch to night mode : Night mode further reduces blue light, helping to ease the strain on your eyes and signalling to your brain that it's time to wind down.
Turn off notifications : Disabling notifications during your pre-bedtime hours prevents distractions and removes the temptation to check your phone.
Avoid stressful content : Steer clear of emotional or stressful content in the hour before bedtime. This includes news headlines, dramatic shows, or heated social media debates, which can increase stress levels and make it harder to relax and fall asleep.
Use greyscale : Enabling greyscale on your device can help reduce the negative effects of blue light and make your screen less stimulating.
Engage with calming content : Instead of scrolling through social media, try listening to calming music, practising deep breathing exercises, or reading a physical book to help you relax and signal to your brain that it's time to sleep.
It's important to note that while limiting screen time before bed is beneficial, it doesn't mean cutting it out altogether. You can still use technology intentionally, such as by setting specific times to check for news or connect with friends and family.
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Restricting background apps
Limiting what apps run in the background can help save battery, data, and simplify your multitasking. Apps, even if not open, draw on your phone's data connection, memory, and processing power to stay up to date or complete tasks in the background.
The simplest way to manage apps running in the background is to close out of individual apps (and their background processes) or close all of them at once. To do this, unlock your Pixel, swipe up from the bottom, and hold. With the app switcher open, swipe to the app you want to close and then swipe up on the app to close it. To close all apps at once, swipe all the way to the left and tap "Close All".
If an app is still running in the background, you can "Force Stop" it from the Settings app to completely shut it down. To do this, open the Settings app, tap on "Apps", find and tap on the app, and then tap "Force Stop".
Another way to make sure apps aren't running in the background is by controlling their ability to access cellular data. Google includes the Data Saver feature on Pixels and other Android phones to prevent some apps from sending or receiving data in the background. To turn on Data Saver, open the Settings app, tap on "Network & Internet", tap on "Data Saver", and toggle it on. To give specific apps unrestricted access to data, tap on "Network & Internet" in the Settings app.
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Adaptive charging
The Adaptive Charging feature works by dynamically controlling how quickly a Pixel device charges. You can plug in your phone in the evening, set an alarm, and the Adaptive Charging will work. This feature steadily charges your phone over several hours instead of charging as quickly as possible to reach 100%. Since the device won't be in use for an extended period, there is little concern that users will be upset at how long it takes to fully charge.
To protect your battery health and extend its lifespan, your phone automatically limits charging to about 70%-80% under certain conditions, such as continuous charging for more than a few hours under high temperatures. When this feature is turned on, you will receive a notification that says "Protecting your battery," and a message that says "Charging optimized to protect your battery" will also be displayed.
The Pixel battery continuously learns your behaviours and optimizes itself based on your most recent app usage. When you set up a new device or after a factory reset, optimization may take a few weeks to take full effect. For best results, keep Adaptive Battery and Battery Optimization on.
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Battery optimisation
The Pixel 3's 2915mAh battery is a weak point when compared to other competitive phones, which have a battery capacity of over 3500mAh. However, there are several ways to optimise the battery life of your Pixel 3. Firstly, you can turn off live wallpapers, as they drain the battery. Instead, you can use static wallpapers or the "daily" wallpaper feature, which provides a fresh wallpaper each day.
Secondly, you can restrict apps that use more battery. To do this, open your phone's Settings app, tap 'Battery', and if you find a message advising you to restrict an app or system, tap 'Restrict'. It is recommended that you keep "battery optimisation" turned on for all apps, and you can restrict background battery usage for some apps.
Thirdly, you can turn off your Pixel's ability to sense what's going on around it. For example, you can turn off 'Now Playing', which automatically recognises songs playing near your phone.
Additionally, you can limit charging to 80% to extend the lifespan of your Pixel's battery. This feature is available on Pixel 6a and later devices. To do this, open your phone's Settings app, tap 'Battery Charging optimisation', turn on 'Charging optimisation', and then tap 'Limit to 80%'.
Finally, you can use a well-rated USB-C PD charger that's rated for at least 15W to charge your Pixel 3 quickly. The Google Pixel Stand is also a fast wireless charging option.
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Limiting charging to 80%
To enable this feature on your Pixel 3, follow these steps:
- Open your phone's Settings app.
- Tap "Battery Charging optimization" or "Battery".
- Turn on "Charging optimization" or enable "Battery optimization".
- Tap "Limit to 80%".
It is important to note that your Pixel 3 may occasionally charge to 100% to ensure accurate battery capacity readings and protect your battery health. Additionally, this feature is only available on Android 11 and later.
Other ways to improve your Pixel 3's battery life include:
- Turning off Motion Sense and Now Playing, which automatically recognizes songs playing near your phone.
- Restricting apps that use more battery. You can do this by opening your phone's Settings app, tapping "Battery", and then "Battery usage".
- Keeping "Battery optimization" turned on for all apps. For some apps, you can restrict background battery usage.
Your Pixel 3 also has a feature called Adaptive Charging, which learns your charging habits and optimizes battery charging accordingly. This feature may turn on when you charge your phone overnight or for a long period, charging to 100% one hour before you unplug. It takes about 14 days for Adaptive Charging to learn your charging habits, and it may not activate if your charging habits vary, such as when you travel.
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Frequently asked questions
You can improve your Pixel 3's battery life by reducing the display sleep time. In Settings, tap Display, then Sleep, and choose a lower setting than your current one. You can also turn off the Ambient display, or set it to turn on only when you lift your phone or receive a notification.
In Settings, tap Battery, then the top-right menu button, and select Battery Usage to see what is using the most battery.
The Adaptive Battery setting limits infrequently used apps from waking up and draining your battery. You can turn it on by going to Settings, then Display, and then Adaptive Battery.





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