How to Turn Off iPhone Optimized Battery Charging (iOS 15 Update)

Optimized Battery Charging improves the lifespan of your iPhone battery, but it can slow down charging.

iPhone Optimized Battery Charging is designed to improve battery life. There are various benefits to keeping iPhone optimized charging enabled, but you can experience a faster charge if you turn charging optimization off. We'll show you how to turn off Optimized Battery Charging if you'd like to do so.

Related: iOS 15 Battery Drain Problems? 13 Ways to Fix iPhone Battery Draining Fast

Why You'll Love This Tip

  • Turn off optimized battery charging to speed up charging if you're in a hurry.
  • Keep Optimized Battery Charging enabled as much as possible to improve your long-term battery life.

How to Turn Off Optimized Battery Charging on iPhone

To speed up charging, you can turn off iPhone charging optimization. When this function is enabled, your iPhone will delay charging past 80% in certain situations. This is recommended for improved battery life, so keep that in mind when deciding whether or not to use Optimized Battery Charging on iPhone! For more iPhone battery tips, sign up for our Tip of the Day newsletter.

  1. Open the Settings app.

    Open Settings
     
  2. Scroll down and tap on Battery.

    Tap Battery
     
  3. Select Battery Health.

    Select Battery Health
     
  4. Tap the Optimized Battery Charging toggle to turn it off. Green means optimized charging is on, gray means it's turned off.

    Toggle off Optimized Battery Charging
     
  5. Select Turn Off Until Tomorrow or Turn Off, whichever you prefer. Turn Off will keep charging optimization off until you turn it back on again.

    Turn Off Until Tomorrow or Turn Off
     
  6. Once you make a selection, your changes will save automatically.

If you decide to turn Optimized Battery Charging on again, you can enable it again as necessary using these same steps. While we're on the subject of iPhone battery life, it's a good idea to check out the latest guidance on how to fix iPhone battery drain if that's a problem you run into regularly, especially after an iOS update!

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Author Details

Olena Kagui's picture

Author Details

Olena Kagui

Olena Kagui is a Feature Writer at iPhone Life who lives in Hawaii. With a BA in International Relations from Anglo American University, Olena traveled the world. She has lived in Ukraine, the Czech Republic, China, and the USA. Olena won an excellence award for a controversial article, got a grant to blog from a war-zone, and published a short fictional story. She hopes to publish a full-length novel and continue writing up a storm on her blog The Travel Bug Bite! When she’s not typing or flying, she is loving on animals, crafting bizarre creations, and devouring all-you-can-eat sushi.