Why Is My iPhone Battery Draining So Fast? 13 Easy Fixes (2023)

Why is your iPhone battery draining so fast all of a sudden? Does the iOS 16 update drain your battery life? If your iPhone loses battery faster than you’d like it to or faster than you think is normal, we can help. We’ ll answer common iPhone battery drain questions, and walk you through some simple solutions to stop your iPhone battery from dying fast.


iOS update battery drain issues are extremely common and for good reason! A new iOS update drains battery because of the many big changes to your iPhone features that come with installing the most recent iOS software. The larger fall updates, like the recent iOS 16 update , often affect your iPhone battery more than the smaller updates we see throughout the year.


While some of this is unavoidable, there are certain things you can do to optimize your battery use and cut back on unnecessary iPhone battery drain. We’ll show you some iOS 16 battery-saving tips and offer guidance on how to preserve battery life on your iPhone.


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First, we’ll cover how to quickly check your battery health. Odds are, your iPhone battery is fighting fit, but is being drained by unneeded processes running in the background. We’ll cover some easy solutions to prevent battery drain from iOS 16 on your iPhone. Also, If you enjoy learning about how to use your Apple devices, be sure to sign up for our free Tip of the Day. 


1. Check Your iPhone Battery Health SuggestionsThis is a good first step whether you’re worried that the iPhone update is draining the battery or not. Your iPhone will recommend specific changes in Settings to preserve iPhone battery life. To see why your iPhone battery is draining faster than it should be, use these steps to check Battery Health suggestions:

Open the Settings app, then scroll down and tap Battery.

Tap Battery Health.n the next screen, your iPhone will suggest changes to settings that will improve battery life. You can tap on each suggestion to jump to the setting that needs changing. If you don’t want to make the change, at least you understand what’s contributing to your battery drain. 
Note: If you don’t see the Battery Life Suggestions section, your iPhone doesn’t currently see any ways to improve battery life via Settings.

However, we’ll have to respectfully disagree—there’s almost always a way to fix iPhone battery drain. Continue on down the list to see how many ways you can fix an iPhone battery dying faster than it should.


2. Dim Your iPhone Screen If Your iPhone Keeps Losing ChargeKeeping your iPhone’s screen at full brightness is a likely culprit when your iPhone battery drains fast, but it’s easily remedied. This is actually one of the main causes of battery drain and consumes more power than you might think! Here’s how to dim the screen brightness to save battery on your iPhone:

Open the Control Center by swiping down from the top-right corner of the screen. If your iPhone has a Home button, swipe up from the bottom of the screen instead.Tap and drag the Brightness slider toward the bottom, or as near to the bottom as you can go and still comfortably read your display.
reduce iphone screen brightness in control center


If you have your iPhone brightness set to a more reasonable level but your iPhone battery is draining quickly anyway, there are a lot more options for conserving battery on iPhone. Keep reading!


3. Turn on Auto-Brightness to Stop iPhone Battery Drain
Auto-Brightness settings adjust your screen lighting automatically based on ambient light levels. This keeps your iPhone from losing battery too quickly by wasting it on screen unnecessary brightness. To save battery on your iPhone by enabling Auto-Brightness:
Open the Settings app, then scroll down and tap Accessibility. 

Tap Display & Text Size.

Scroll to the bottom and toggle on Auto-Brightness.

Next, we’ll take a look at some lesser-known settings to help improve iPhone battery life.
4. Turn Off Raise to Wake to Save iPhone BatteryAll iPhone models have the Raise to Wake function enabled by default. This might be part of your problem, especially if you pick up your iPhone a lot or walk with it swinging in your hand. The iPhone screen constantly turning on will definitely drain your battery .