What happens if you keep your iPhone in low power mode all the time?

What happens if you keep your iPhone in low power mode all the time?

All iPhone users are familiar with the drill: our battery drops to 20% and we get a familiar pop-up alert that says, “Battery low. 20% battery left.” If you choose to ignore it, you will get another alert when the battery drops to 10%. But if you enable Low Power Mode, you can extend the remaining battery life a bit until you can charge your iPhone again.

Apple introduced Low Power Mode with iOS 9 as a way to keep using your iPhone longer when the battery charge is low. You might be wondering what exactly Low Power Mode does, and if it saves battery, why not use it all the time?

I break it all down so you can know exactly what disables Low Power Mode, how to turn it on and off, and whether to keep it on permanently. For more information, read about how to charge your iphone the right wayand see how Apple fixed the iPhone battery meter icon in iOS 16.1.

What is iPhone Low Power Mode?

Low Power Mode is an iOS setting that disables some iPhone features to save battery power when the battery is low. Your iPhone will ask if you want to turn on Low Power Mode when the battery drops to 20% and then back to 10%.

A screenshot of the battery level graph in iPhone settings

When your iPhone is in low power mode, it will be tracked in yellow.

Screenshot by Peter Butler/CNET

Apple says that Low Power Mode reduces the amount of power your iPhone uses so the battery lasts longer.

You can tell when it is in low power mode because the battery icon will be yellow. Your iPhone automatically turns off Low Power Mode when the battery charge reaches 80%.

What features does iPhone Low Power Mode disable?

According to the Apple official support page, Low Power Mode makes these changes to conserve battery power:

  • Turn off 5G (except for streaming video)
  • Set your iPhone screen to turn off after 30 seconds of inactivity
  • Reduce screen brightness
  • Reduce screen refresh rate for iPhones with ProMotion
  • Remove some visual effects
  • Pause iCloud Photos sync
  • Suspend automatic downloads
  • Pause fetching email
  • Prevent background apps from updating

Low Power Mode also disables viewing of HDR videos, turns off the always-on display on iPhone 14 Pro and Pro Maxdisable video autoplay and reduce CPU and GPU performance.

How do I turn on iPhone low power mode?

You can activate it manually by going to Settings > Drums and activating Low power mode. You can also turn on Low Power Mode manually with iPhone Control Center or Siri.

Be sure to check the battery status to make sure nothing is wrong

An iPhone screenshot of Battery Health with a degraded battery

Maximum capacity compares the battery’s current performance to its performance when new.

Apple

While turning Low Power Mode on permanently is an experiment you might want to try, if you find that need To keep Low Power Mode on all the time to get decent performance from iPhone battery, it is highly possible that the battery will degrade or have other issues.

To check the battery status of your iPhone, go to Settings > Drums > Battery status and charge. You’ll see the maximum capacity of your battery, as well as options to set “Optimized Battery Charging” and “Clean Power Charging.” If your iPhone’s maximum battery capacity has dropped to 80% or less, you’ll see an “Important Battery Message” warning you that your battery has degraded significantly and must be replaced or restored by an Apple Authorized Service Provider.

How do I activate iPhone low power mode permanently?

The manual way to keep Low Power Mode on all the time would be to simply put your iPhone into Low Power Mode every time you charge it. But there is an easier, more automated way to “set it and forget it.” To automatically keep your iPhone in low power mode at all times, you’ll need to get a little sneaky and make your own. personal automation using the shortcuts app

There are many ways to automatically set low power mode using shortcuts, but for me the easiest method is to activate low power mode whenever the battery is below 100%. That way, your iPhone is essentially in low power mode all the time, but it can also create backups, complete downloads, and receive updates when it’s plugged in and 100% charged.

Swipe all the way to the right on your iPhone’s home screen to get to your App Librarythen scroll down and tap shortcuts. Once the app is running, select Automation at the bottom of the screen, then tap the blue Create personal automation button.

3 iPhone screenshots showing how to do personal automation in Shortcuts

Creating a personal automation in Shortcuts only takes a few steps.

Screenshot by Peter Butler/CNET

About him new animation screen, scroll down and select battery level. Tap the bottom option, falls belowand then move the slider all the way to the right to 100%. then click next. You have set your condition to trigger an action.

Now create the action to set your iPhone to low power mode. About him Behaviour screen, click the blue add action button. Then you can type “Bass” in the search box and tap Set low power modeor touch scripts and find it below Device.

3 iPhone screenshots showing how to add the Set Low Power Mode action

After you add the Low Power Mode action, you can set it to run without prompting.

Screenshot by Peter Butler/CNET

Once you have selected Set low power modewill appear on your Behaviour screen as “Turn on low power mode”. Click next. On the next New Automation screen, change ask before you run off to allow low power mode to turn on automatically. If you want, you can request a notification each time the automation runs.

Confirm “Don’t ask”, then tap Done to end. Are you ready. Whenever your battery drops below 100%, your iPhone will automatically switch to low power mode.

How much battery power does Low Power Mode save?

You’re not going to get a definitive answer here. The value of Low Power Mode has been debated ever since it was introduced. While some estimates say battery charges will last about one and a half times more using low power mode, others show very little difference in battery use.

If you’re worried about your iPhone battery lasting longer, you’ll simply have to try Low Power Mode and see the difference.

How to turn off low power mode again

2 iPhone Screenshots Showing How to Turn Off Auto Low Power Mode

Turn off Automatic Low Power Mode by turning automation off or removing it.

If you find that low power mode is not saving battery power, you can turn off the automation by going into shortcuts and turning off Enable this animation. To clear it entirely, swipe left on the Low Power Mode automation on the main Automation screen, then tap the red button Erase button.

You can also create your own custom version of Low Power Mode by adjusting your iPhone’s settings to take some of the same actions that Low Power Mode takes. For example, you can save a significant amount of battery by prevent background apps from updating either adjust brightness settings.

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