User profile for user: Ratsonrop
Ratsonrop Author
User level: Level 1
4 points

strange battery drain

Problem: Battery Drain of 20% overnight and bad battery life in general.

Device: iPhone 13 mini, iOS 16.5 & iOS 16.5.1 (issue with both versions).


Now, I don’t need any common sense advice on how to prolong my battery life this is why:

  1. it started roughly 2 months ago, before there was no problem whatsoever, and I didn’t change my phone using habits.
  2. Battery health status at 92%, so hardware should be fine.
  3. overnight I have activated airplane mode, switched of wifi and bluetooth (I mean fully turned off not just greyed out) and I even use low power mode (also location services are all turned off except google maps, while using the app). Also diagnostics are turned off.
  4. I uninstalled many non strictly necessary apps. Siri is deactivated.
  5. I did a settings reset a few days ago and after that it performed brilliantly again for a couple of days but now, after not changing any setting, it drains like crazy again.


And still 20% gone WITHOUT any usage during all the night (during night only the clock to wake me up should be doing something):



I haven’t tried a full factory reset yet, that would be my last resort bit I’d be very grateful if someone had a solution or at least an explanation to this.


P.S. I won’t charge my battery overnight! If your fuel tank is leaking you shouldn’t just fill up continuously, it’s better to fix it first.

Posted on Jun 22, 2023 1:38 AM

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2 replies
User profile for user: SravanKrA
SravanKrA
Community+ 2024
User level: Level 10
411,194 points

Jun 22, 2023 1:43 AM in response to Ratsonrop

Depends on the usage.


Protect & Prolong the life of your iPhone's Battery:

  1. About the battery usage on your iPhone, iPad, and iPod touch ...
  2. Batteries - Maximising Performance - Apple (IN)
  3. iPhone Battery and Performance



Try some of these options too.

To prolong the life of your iPhone battery, you can follow these tips and best practices:


To prolong the life of your iPhone battery, you can follow these tips and best practices:

  1. Optimize Battery Charging: Enable the "Optimized Battery Charging" feature on your iPhone. It helps reduce the wear on the battery by slowing down the battery aging process. You can find this option in Settings > Battery > Battery Health. About Optimized Battery Charging on your iPhone - Apple Support (IN)
  2. Avoid Extreme Temperatures: Extreme temperatures, both hot and cold, can negatively impact your battery life. Avoid exposing your iPhone to excessive heat or cold, such as leaving it in direct sunlight or in a freezing car.If your iPhone or iPad gets too hot or too cold – Apple Support (UK)
  3. Use Original Chargers and Cables: Always use Apple's original chargers and cables or certified third-party accessories. Low-quality chargers or cables can damage the battery and reduce its lifespan. Identify counterfeit or uncertified Lightning connector accessories - Apple Support (IN)
  4. Avoid Draining the Battery to Zero: Charge it whenever the charge becomes lower than 20%. The rest is up to you when to charge. how long to charge, how often to charge, which adapter to use starting from 5W to 140W USB-C Power Adapter etc.
  5. Optimize Display Settings: Adjust your display settings to optimize battery life. Lower the screen brightness, enable auto-brightness, and use shorter screen timeout durations. Adjust the display and text size on iPhone - Apple Support (IN)
  6. Minimize Background App Refresh: Limit the number of apps allowed to refresh in the background. Go to Settings > General > Background App Refresh and disable it for apps that don't require real-time updates. Switch apps on your iPhone, iPad, or iPod touch - Apple Support (IN)
  7. Disable Push Email: Push email notifications can drain your battery quickly. Instead, set your email accounts to fetch data manually or at longer intervals. You can change this setting in Settings > Mail > Accounts > Fetch New Data.
  8. Disable Unnecessary Notifications: Reduce the number of unnecessary notifications you receive. Go to Settings > Notifications and customize which apps can send you notifications.
  9. Limit Location Services: Some apps use GPS and location services in the background, which can drain your battery. Go to Settings > Privacy > Location Services and disable location access for apps that don't require it.
  10. Update iOS: Keep your iPhone's operating system up to date. Apple regularly releases updates that can include optimizations and improvements for battery life.
    1. Update Over-the-Air (OTA) —> Update your iPhone or iPad - Apple Support (IN)
    2. Update using iTunes/Finder —> Update your iPhone, iPad, or iPod touch - Apple Support (IN)
  11. Enable Low Power Mode: When your battery is running low, enable Low Power Mode in Settings > Battery. It reduces power consumption by disabling non-essential features.
  12. Avoid Battery Drain during Storage: If you need to store your iPhone for an extended period, make sure to charge it to around 50% first. This helps prevent the battery from draining completely, which can be harmful.
  13. Disable Dynamic Backgrounds and Motion Effects: Dynamic backgrounds and motion effects use additional processing power and can impact battery life. Use a static wallpaper and disable parallax motion effects in Settings > Accessibility > Motion > Reduce Motion.
  14. Limit Widgets: Widgets on the Today View can consume battery life. Remove or limit the number of widgets displayed by swiping right on the home screen, scrolling to the bottom, and tapping Edit.
  15. Adjust Auto-Lock Time: Shorten the auto-lock time on your iPhone. Go to Settings > Display & Brightness > Auto-Lock, and select a shorter time interval to turn off the screen more quickly when not in use.
  16. Use Wi-Fi Instead of Cellular Data: When possible, connect to Wi-Fi networks instead of relying on cellular data. Using Wi-Fi consumes less power than using cellular data.
  17. Enable Airplane Mode in Low or No Coverage Areas: When you're in an area with low or no cellular coverage, enabling Airplane Mode can prevent your iPhone from constantly searching for a signal and draining the battery.


By following these tips, you can help prolong the battery life of your iPhone and maintain its overall performance over time.


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strange battery drain

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