How to Fix iPhone 16 Battery Draining Fast [2025 Newest]

Read Ahead: What's New on iPhone 16 Battery?

Two of the most eagerly awaited improvements for the iPhone 16 are faster charging and longer battery life .

With the exception of the iPhone 16 Plus, all iPhone 16 models are anticipated to have bigger batteries than their predecessors. With a 9% larger battery than the iPhone 15 Pro, the smaller iPhone 16 Pro is said to have the most gain in battery capacity.

Part 1. Why is My iPhone 16 Pro Battery Draining So Fast?

According to Apple, the iPhone 16 series has improved battery life, so your battery shouldn't drain too quickly. But if you're experiencing fast battery drain on your iPhone 16, maybe it's caused by one of the following reasons:

• Poor Battery Health: Check the battery health in Settings > Battery > Battery Health & Charging. If degraded, consider a replacement.
• Apps: Some apps consume more battery. Check battery usage by app in Settings > Battery.
• Charging Port or Cable: A loose or damaged cable, or a dirty port, can affect charging efficiency.
• Software Updates: New iOS updates can impact battery life. Allow time for optimization or free up storage space.
• Settings: High screen brightness, Bluetooth, GPS, or Wi-Fi settings can drain battery life.

Part 2. 8 Effective Tips to Improve iPhone 16 Battery Life

2.1 Clear App Usage

Monitoring app usage can help manage your iPhone 16’s battery life. Many apps, especially those running in the background, can unexpectedly drain your battery. By checking which apps use the most energy, you can decide which ones to manage or close.

Here to fix iPhone 16 battery life :

• Tap on the Settings icon on your home screen.
• Scroll down and select Battery.
• Under Battery Usage, you’ll see a list of apps and their battery consumption.
• Look for apps using the most battery, usually at the top of the list.
• Close these apps manually or adjust their settings to limit battery usage.
  

2.2 Manage Always-On Display

The Always-On Display feature shows important information even when your iPhone 16’s screen is off, but it can drain your battery. This feature uses power to keep the display active, affecting battery life. You can manage this by adjusting how often the screen updates or turning off the feature when not needed.

Steps to fix iPhone 16 battery drains fast:

• Tap the Settings icon on your home screen.
• Scroll down and choose Display & Brightness.
• Tap on Always On Display to open its settings.
• Reduce the update frequency or turn off the feature when not needed.
  

2.3 Limit Background App Refresh

Background App Refresh lets apps update their content even when you're not using them, which can drain your battery. Limiting this feature helps save battery life by stopping apps from using power unnecessarily. You can turn off Background App Refresh completely or restrict it to essential apps only.

Check out fix to iP hone 16 pro max battery drain :

• Start by opening the Settings app.
• Scroll down and select General.
• Choose Background App Refresh.
• You can either turn off Background App Refresh entirely or select Wi-Fi to limit updates to when you’re connected to a network.

2.4 Use Low Power Mode

Low Power Mode helps extend your iPhone 16's battery life by reducing power usage. It limits background activity, lowers performance, and disables some visual effects. This feature helps keep your device running throughout the day.

Here is a way to iPhone 16 pro battery drain :

• Tap the Settings app. Scroll down and choose Battery.
• Toggle the switch next to Low Power Mode to turn it on.
• Observe how Low Power Mode affects your battery life and adjust usage accordingly.
  

2.5 Try Disabling Location Services

Location Services on new iPhone battery draining fast by using GPS data often. To save battery, turn off Location Services for apps that don't need it. Many apps ask for your location even when they don't need it, wasting battery. Adjust settings to limit location access to essential apps or turn it off when not needed.

• Launch the Settings app.
• Scroll down and select Privacy &Security.
• Tap on Location Services.
• Check the list of apps using location data. For apps that don’t need location access, set them to Never or While Using the App.
• If necessary, toggle Location Services off completely to conserve battery.
  

2.6 Try Turning Off 5G

5G offers faster speeds but can drain your battery quickly. Turning off 5G when not needed can extend your iPhone 16’s battery life. Switching to 4G or another network option reduces power use and improves battery efficiency.

Let's see iPhone 16 gets hot and drains battery solution:

• Tap on the Settings app. Go to Cellular.
• Choose Cellular Data Options.
• Tap on Voice & Data.
• Select 4G instead of 5G to reduce battery consumption.

2.7 Update the iOS and Apps

To maximize battery life on your iPhone 16, keep the iOS and apps up to date. Updates frequently provide enhancements and bug fixes to increase battery efficiency. Outdated software can quickly drain your battery.

• Launch the Settings app. Select General.
• Tap on Software Update to check for iOS updates.
• Follow the prompts to install any available updates.
• Open the App Store, tap your profile icon, and select Update All to update your apps.
  

2.8 Reduce Screen Brightness Level

High screen brightness can drain your iPhone 16's battery quickly. Lowering the brightness or using auto-brightness helps save power by adjusting to the light around you. The screen uses a lot of power, so managing its brightness can significantly extend battery life.

See how to fix iPhone battery draining faster

• Tap on the Settings app. Go to Display & Brightness.
• Move the slider to lower the brightness level.
• Toggle Auto-Brightness to On to automatically adjust brightness based on ambient light.
• Switching to Dark Mode can also reduce power consumption.

Part 3. One-click to Improve iPhone 16 Battery Draining Fast Issues

If you're grappling with battery drain issues on your iPhone 16, particularly after updating to iOS 18 beta, Tenorshare ReiBoot offers an effective solution. This powerful tool specializes in resolving a wide range of iOS system problems, including battery drain, while making sure your data remains intact. ReiBoot's versatility and ease of use make it a top choice for users seeking a straightforward fix without the risk of data loss.

Advantages and Main Features of Tenorshare ReiBoot:

• Enter and exit Recovery Mode with a single click, simplifying iOS troubleshooting.
• Fix over 150 system issues, including those with the latest iOS 18 beta.
• Repair battery drain and other problems without losing your data.
• Download and install firmware updates or downgrades for your iPhone model.
• Reset your device without needing a passcode, iTunes, or Finder.
• Permanently erase data before selling or trading in your device.

Here is how to fix the iPhone 16 battery draining fast with Reiboot

• Install Tenorshare ReiBoot on your computer and open the program. Connect your iPhone using a USB cable. Click "Start Repair" once ReiBoot detects your device.
  
• On the next screen, choose the "Standard Repair" option. This will fix iOS issues like battery drain without erasing data. Click "Standard Repair" to proceed.
  
• ReiBoot will show you the firmware file needed for your specific iPhone model. Click "Download" to get this firmware file.
  
• Once the firmware download is complete, click "Start Standard Repair" in ReiBoot. Keep your iPhone connected and follow any instructions shown during the repair process.
  
• ReiBoot will display a "Done" message once the standard repair is complete. Your iPhone will then restart with the battery drain issue fixed.
  

Part 4. People Also Ask about iPhone 16 Battery Draining Fast

Q1. How long should my iPhone 16 battery last?

Your iPhone 16 battery usually lasts 10-12 hours with regular use. Actual performance may vary based on usage and settings.

Q2. What drains the iPhone battery the most?

High screen brightness drains your iPhone battery quickly. Background app activity and location services also consume a lot of power. Constant connectivity, like 5G, further reduces battery life.

Q3. At what percentage should I charge my iPhone 16?

To keep your iPhone's battery healthy and long-lasting, it's ideal to charge it when it reaches between 20 and 30 percent.

Final Word:

If your iPhone 16 battery draining fast , you’re not alone. There are many ways to improve battery life, like adjusting settings and using Low Power Mode. If these tips don’t help, consider Tenorshare ReiBoot . It’s a handy tool for fixing iPhone 16 battery life issues and more. ReiBoot can repair your iPhone 16 without losing data and helps with firmware updates. It’s a smart choice for tackling persistent problems.