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Published on: 09.12.2023, Updated on: 09.22.2023

iPhone 11 Battery Draining Fast. 3 Reasons and 3 Solutions

The iPhone 11, despite being very well known for its highest quality, durability, and user-friendly features, has its own fair share of issues that users face on a daily basis. One such issue is battery draining in iPhone 11. Since the day iPhone 11 was released, users have been complaining of a decrease in its battery life, even with short usage. This article will discuss potential causes of battery drainage and how you can fix it.

Key Takeaways

iPhone battery drain can make you panic especially when you don’t know what is causing it. This article will discuss the potential causes behind the battery drainage of iPhone 11, such as new updates, power-intensive apps, and brightness levels. We will also mention some simple solutions to make your battery life better, like closing unnecessary applications, adjusting the screen brightness, and installing the latest updates to fix the bugs if any.

Why is my iPhone 11 battery draining so fast?

A number of reasons contribute to the battery drainage of iPhone 11 including software issues to power-consuming applications. Below are some of the reasons why your iPhone 11 batter is draining so fast:

  • Apps running in the background can drain the battery really quickly.
  • Software updates and some bugs may sometimes lead to battery drain.
  • Power-consuming features like location services (if you turn them on at all times) and dynamic wallpapers can affect the health of the battery faster.

How to stop iPhone 11 battery draining fast?

There are several measures you can take to improve your iPhone 11's battery life, most of which revolve around optimizing your device's settings and/or updating it.

  • Regularly update your iOS to the latest version to ensure all the internal issues are addressed.
  • Adjust your screen brightness as a high brightness level can affect the battery life.
  • Manage your background app activity and limit the use of power-consuming applications or features.

How long does the iPhone 11 battery last?

Under normal circumstances, the iPhone 11 battery is designed to last up to 10 hours of video streaming or internet usage. However, this can vary significantly based on how you are using your device. Some features, such as high screen brightness, can affect the battery faster. 

Normal battery drain per hour iPhone 11

The normal battery drain per hour for the iPhone 11 depends on what you are using it for most of the time. For slight usage, it might lose about 5-10% of power per hour, while intensive tasks can bring it down by 15-20% per hour.

  • Light usage, including messaging and browsing can lead to 5-10% battery drain per hour.
  • Gaming or video streaming, could lead to a 15-20% battery drain per hour.
  • Battery drain is often higher when the device is in use compared to idle periods.

What kills iPhone battery health?

  • Certain usage and patterns can decline your iPhone battery's health. Keeping an eye on these can significantly extend your battery's longevity.
  • Overcharging, extreme temperatures, and frequently draining the battery to 0% can affect the battery’s health.
  • Keeping the iPhone's brightness at a high level for long time can reduce battery health.
  • Using power-consuming apps for extended periods, especially in the background, can decrease the lifespan of the battery.

iPhone 11 battery draining fast


iPhone 11 Pro battery draining fast

Even though the iPhone 11 Pro is known for its improved battery life compared to its older models, some users still encounter quick battery drain issues.

Why my iPhone 11 pro battery is draining fast?

  • Power-demanding apps might be running in the background.
  • An outdated iOS version might contain any bug or issue leading to faster battery drain.
  • Screen brightness may be set too high, causing extra battery usage.

How to fix iPhone 11 pro battery that is draining fast?

  • Close unnecessary background apps and limit the usage of such battery-consuming applications.
  • Update to the latest iOS version to fix any software glitches.
  • Adjust screen brightness to a lower setting. It doesn’t only help the device’s battery, but it is also better for your eyes.

iPhone 11 Pro Max battery draining fast

Despite its robust battery capacity, the iPhone 11 Pro Max isn't immune to power loss. Some circumstances can lead to iPhone 11 pro max battery aging faster than normal.

Why my iPhone 11 pro max battery is draining fast?

  • Intensive apps or features might be consuming battery rapidly.
  • System settings might not be optimized for battery saving.
  • The battery's health might have degraded over time if you have been using the device for a long time.

How to fix iPhone 11 pro max battery that is draining fast?

  • Limit the use of applications that take much power.
  • Optimize system settings for better battery performance.
  • If the battery health is significantly decreased, consider getting a battery replacement.

iPhone 11 battery draining fast after update

Post-update battery drain issues in the iPhone 11 are not uncommon, but this issue can be resolved by following some simple steps.

Why my iPhone 11 battery is draining fast after update?

  • The update might have introduced new features or services that require more power.
  • The update could have bugs causing excessive power usage.
  • Certain settings may have been reset or changed after the update.
  • More background activities might be taking place after the update.

How to fix iPhone 11 battery that is draining fast after update?

  • Adjust the settings of new features to optimize power consumption.
  • Update your device with the latest patches to fix any existing bugs.
  • Monitor and limit background activities, especially those related to the update.
  • Perform a factory reset as a last resort if nothing else works, but remember to back up your data first.

iPhone 11 battery draining fast all of a sudden

The sudden battery drainage of the iPhone 11 can make anyone panic. But don’t worry, there are many steps you can take to fix it, depending on the cause behind this issue.

Why my iPhone 11 battery is draining fast all of a sudden?

  • A recently installed app might be consuming a lot of power.
  • Some software glitches might have caused excessive power consumption.
  • The device might be constantly syncing data to iCloud or other services.

How to fix iPhone 11 battery that is draining fast all of a sudden?

  • Uninstall any recent apps that could be causing a power drain all of a sudden.
  • Restart the device to solve potential software glitches or try updating it if needed.
  • Limit data syncing or schedule it for off-peak hours.

iPhone 11 battery draining fast and getting hot

iPhone 11 battery issues


If your iPhone 11 is not only losing battery quickly but also heating up, this can suggest an overworked processor due to power-consuming tasks, extensive app activity, or even malware.

Why my iPhone 11 battery is draining fast and getting hot?

  • High CPU usage from apps or system processes might be causing the device to heat up.
  • The device might be working harder to maintain a connection in a poor signal area.
  • An outdated iOS version might cause overheating and rapid battery drain.
  • Intense graphics in games or videos might be causing the device to heat and drain the battery.

How to fix iPhone 11 battery that is draining fast and getting hot?

  • Identify and limit the usage of apps causing high CPU usage.
  • Try to stay in areas with strong network coverage, especially if you are traveling and trying to connect to the internet.
  • Update your device to the latest iOS version.
  • Limit the use of graphics-intensive applications like games.

iPhone 11 battery draining fast iOS 15

The release of iOS 15 saw a few iPhone 11 users reporting rapid battery drainage, likely due to the introduction of new features and services that place higher demands on the battery.

Why my iPhone 11 iOS 15 battery is draining fast?

  • iOS 15 might have introduced features that consume more battery.
  • Certain apps might not be optimized for iOS 15, leading to faster battery drain.
  • The update could have changed settings that were optimized for battery life.
  • System bugs in iOS 15 might lead to unexpected battery drainage.

How to fix iPhone 11 iOS 15 battery that is draining fast?

  • Learn and adjust settings of new features to save battery.
  • Update your apps to the latest version optimized for iOS 15.
  • Update system settings to optimize battery life.
  • Apply the latest iOS patches to fix any existing bugs. You can do this by going to settings and then clicking on software update.

iPhone 11 battery draining fast iOS 16

With the launch of iOS 16, some iPhone 11 users have noted an increased rate of battery drainage, likely tied to new functionalities and software changes that may stress the device's power.

Why my iPhone 11 iOS 16 battery is draining fast?

  • New features or services introduced in iOS 16 might demand more power.
  • Certain settings could have been reset or changed with the update.
  • Some apps might not be compatible or optimized for iOS 16, causing extra power usage.
  • There might be unresolved system bugs in iOS 16 leading to faster battery drain.

How to fix iPhone 11 iOS 16 battery that is draining fast?

  • Familiarize and optimize the settings of new features in iOS 16.
  • Check and adjust system settings that could have been altered in the update.
  • Update your apps to versions that are compatible with iOS 16.
  • Stay updated with the latest patches and bug fixes for iOS 16.


Battery drainage in iPhone 11 is not an uncommon issue. There can be many reasons behind the battery’s poor health, such as using intensive apps, especially gaming, or having bugs in the system. No matter the reason, you can always fix the iPhone 11 battery’s health at home. Still, if nothing works, it’s better to take your device to a reliable iPhone repair store such as partners of Simply Fixable and get your battery replaced for a reasonable prices.




Author: Madiha Khadim

LinkedIn: Madiha Khadim

Tech Writer | Photographer

Madi is a dynamic tech writer with a passion for simplifying complex concepts. Her expertise lies in creating clear and concise guides, blogs, manuals, and tutorials that empower users to navigate the technological landscape with ease. Throughout her career, Madi has worked with numerous leading tech companies, collaborating with engineers, developers, designers and marketers to create user manuals, FAQs, troubleshooting guides, and tech articles, on the websites such as "Technology Castle" and "Bilzimo". She can transform intricate technical jargon into user-friendly language, empowering users to understand and utilize products effectively.



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