Apple iPhone 8 Battery Saving Guide: How to manage battery life on your new iPhone [Tutorials]

The new iPhone 8 smartphone comes with a smaller battery capacity at 1821 mAh but initial reviews have found no drop in its battery life. This is apparently among the pros of embedding Apple’s A11 Bionic chip, which makes the device even more efficient, manage battery life and perform better. Given that everything is optimized, the latest iOS handset can last up to over 8 hours.

Nevertheless it shows a downside when it comes to charging time. While the new iPhone supports fast charging, it purportedly does not come with a fast charger in the box. And using the stock charger means slow charging speed. To evade from waiting hours of recharging, you can resort to some battery life saving tips to save power and manage battery life on your iPhone as much as possible.

This post highlights some walkthroughs on how to save battery life on your new iPhone 8 and make the most of your new iOS smartphone. Feel free to refer to this content when needed.

The following procedures are also applicable when you’re dealing with battery problems on your iPhone 8 like quick battery draining issue.

First Method: Use Battery Saving Mode Settings to manage battery life on your iPhone 8

Just like the previous iPhone flagships, the new iPhone 8 also comes with a battery saving mode for you to use whenever you need to extend its battery life. By enabling Low Power Mode, you will know when your phone is already running low on battery and likewise reduces the amount of power that your iPhone uses.

Follow these steps to turn on Low Power Mode on your iPhone 8:

  1. Go to Settings.
  2. Tap Battery.
  3. Toggle the switch next to Low Power Mode to enable the feature.

Alternatively, you can turn Low Power Mode on and off through the Control Center to manage battery life on your iPhone. Here’s how to launch the Control Center in iOS 11:

  1. Go to Settings.
  2. Tap Control Center.
  3. Tap Customize Controls.
  4. Select Low Power Mode to add its control or icon to the Control Center.
  5. Swipe your finger up from the bottom of the screen to and then toggle the Low Power Mode icon to turn the feature on or off.

What happens when your iPhone 8 is in Low Power Mode?

When your iPhone is in Low Power Mode, it is expected to last longer before you need to charge it. However, this can also affect or limit some of your iPhone features. For example, some features might take longer to update or complete or some tasks may not work until you disable Low Power Mode or charge your iPhone up to 80 percent or higher. Among the features and tasks that are likely to get affected when you put your iPhone 8 in Low Power Mode would include email fetch, Siri, background app refresh, automatic downloads, and some visual effects. The auto-lock will also default to 30 seconds.

You will know when Low Power Mode is enabled when you see a yellow battery icon in the status bar of your iPhone display.

Second Method: Optimize your iPhone 8 settings

There are two ways for you to optimize your iPhone settings, so as to preserve battery life regardless of how you use your device. You can adjust the display settings and use Wi-Fi instead of Cellular Data connectivity. Here are your options for screen optimization:

Reduce screen brightness

  • To reduce the screen brightness on your iPhone 8, swipe up from the bottom of any screen. Doing so will open the Control Center. On the Control Center, drag the Brightness slider to left until you get to your desired level.

Enable Auto-Brightness feature

  • To enable Auto-brightness on your iPhone 8, go to Settings-> Display & Brightness-> then set the Auto-Brightness to ON. Doing so will activate the feature and likewise adjusts your screen to lightning conditions automatically.

Use Wi-Fi over Cellular Data to access data

  • Using a Wi-Fi connection to access data on your iPhone takes up less power than using Cellular Data. To enable Wi-Fi on your iPhone 8, go to Settings-> Wi-Fi-> then toggle the Wi-Fi switch to enable Wi-Fi and connect to your preferred wireless network.

You can also enable Wi-Fi by opening the Control Center then tap the Wi-Fi icon, to enable Wi-Fi and connect to a Wi-Fi network.

Third Method: Manage Battery Usage

Viewing the battery usage information is necessary when it comes to managing battery usage on your iPhone 8. With iOS, you can check the current percentage of your battery used by each app.

  • To view and access this information, go to Settings-> Battery. Scroll down to the Battery Usage section. Under it is a list of apps along with the percentage of the battery used by that app. You can turn off or disable apps that takes up most of your iPhone’s battery life when not in use.

Fourth Method: Turn OFF Background App Refresh

Another way for you to improve battery life is to turn off the feature of your iPhone that allows apps to refresh in the background. Each of the apps in the Battery Usage list is tagged based on how and when the battery was used by that app. If you see an app with Background Activity label beneath, it means that the battery was used by the app while it was running in the background or while using another app.

Here’s how to turn off Background App Refresh on your iPhone 8:

  1. Head over to Settings.
  2. Tap General.
  3. Tap Background App Refresh.
  4. Then toggle the switch to turn the option off.

In the case where the Mail app is tagged with Background Activity, you can set the app to fetch data manually or increase the interval for fetching data. Here’s how to configure the Mail app to do:

  1. Go to Settings.
  2. Tap Mail, Contacts, Calendars.
  3. Tap Fetch New Data.
  4. Select the option to fetch data manually or set the interval to a higher level.

Fifth Method: Turn OFF Location Services

For apps that are using battery life for Location Services, you can turn off Location Services for the app.

  • To do so, go to Settings-> Privacy-> Location Services-> then toggle the switch to turn the feature off for that app.

You can also see each app listed with its permission settings in Location Services menu. You will know which apps have recently used location services with the indicator next to the On/Off switch.

Sixth Method: Disable Connectivity features

Among common factors that can drain your battery on your iPhone 8 are network connectivity features like Wi-Fi, Cellular Data, Bluetooth, Mobile Hotspot, and GPS. These will keep your iPhone busy working in searching and keeping connected to an available network when enabled. This means that your iPhone needs to carry more processes, thus require more power. In order to save power, you can turn these features OFF especially when you are not using them. Here’s how:

To disable Wi-Fi:

  • Tap Settings-> Wi-Fi-> then toggle the switch to turn Wi-Fi off.

To disable Bluetooth:

  • Tap Settings-> Bluetooth-> then toggle the switch to turn Bluetooth off.

To disable GPS:

  • Tap Settings-> Privacy (GPS) -> then toggle the switch to turn the feature OFF.

Do the same for other relevant features. Menu options may vary from carrier to carrier or between device models.

Other Helpful Tips to preserve and manage battery life on your iPhone 8

  • Set your iPhone to sleep when unused. To do so, press and then quickly release the Power key to set the screen to sleep mode.
  • Change app sync settings. As much as possible, try to set the syncing period to a higher level. The longer time you select, the lesser the instance for the app to sync. As a result, the more power you can save.
  • Turn off notifications for an app. If an app often wakes your display with notifications, you can turn off push notifications for the app. To do so, go to Settings-> Notifications-> tap App-> then set Allow Notifications option to OFF.
  • Use Airplane Mode when needed. If your iPhone gets no cell coverage or low signal, this means that you’re either in a poor cell coverage area and so your device will need to search for a better signal. This can also affect your battery life. As remedy, you can enable Airplane Mode instead. To do so, tap Settings-> Airplane Mode-> then toggle the switch to turn the feature on. Or you can just swipe up to open the Control Center and then tap the Airplane Mode icon to enable it. Please note though that you cannot make or receive calls when using your iPhone in Airplane Mode. Other connectivity features of your iPhone will also not be available in this state. But the good thing is that you can save some power.

And that covers everything in this post. Stay tuned for more tutorial topics to be posted on our iPhone 8 Troubleshooting page.

Connect with us

If you need more help with the use of certain functions and features of the new Apple iPhone 8 smartphone, feel free to visit our Tutorial Page. There you can find a list of how-to contents, step-by-step tutorials, as well as answers to FAQs regarding iPhone 8. If you have other concerns or encountered some troubles while using the phone, you can reach us through this form. Just be sure to tell us more details of the problem or device issue(s) you may have and we will be more than happy to assist you further.

1 thought on “Apple iPhone 8 Battery Saving Guide: How to manage battery life on your new iPhone [Tutorials]”

  1. do you recommend waiting to recharge until battery is almost 0% to save battery life; or is it ok to just keep in plugged into charger all night even when 100% charged?

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