# iPhone's 80% Charge Limit: Minimal Battery Life Benefits Uncovered in Year-Long Test! 🔋

**URL:** <https://onehack.st/t/iphones-80-charge-limit-minimal-battery-life-benefits-uncovered-in-year-long-test/292333>\
**Category:** News & Articles\
**Tags:** tools\
**Created:** [September 28, 2024, 5:54pm UTC](https://onehack.st/t/iphones-80-charge-limit-minimal-battery-life-benefits-uncovered-in-year-long-test/292333 "2024-09-28T17:54:47Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![TheJoker](https://onehack.st/user_avatar/onehack.st/thejoker/32/22660_2.png) [@TheJoker](https://onehack.st/u/TheJoker)\
**Post date:** [September 28, 2024, 5:54pm UTC](https://onehack.st/t/iphones-80-charge-limit-minimal-battery-life-benefits-uncovered-in-year-long-test/292333/1 "2024-09-28T17:54:47Z")

</div>

**Summary:**

1. **Year-Long Test Results**  
A year-long experiment with the iPhone 15 Pro Max’s 80% charge limit feature showed only slight improvements in battery health, maintaining 94% capacity after 299 charge cycles.

2. **Comparison with Standard Charging**  
In contrast, iPhones without this charge limit retained about 87-90% capacity. The feature aims to extend battery life by restricting maximum charge levels.

3. **User Experience Challenges**  
The tester, Juli Clover, noted occasional inconveniences, such as battery depletion during long days. While the battery health showed some retention, the daily usability trade-off was questioned.

4. **Skepticism About Trade-Offs**  
Clover observed only a 4% difference in battery capacity after a year and expressed uncertainty about whether the limitations were worth the minor benefits. She speculated that significant gains might only become apparent over two to three years.

5. **Future Considerations**  
Clover plans to continue using the 80% charge limit to assess its long-term effects on battery performance.

**Read more at:** [MacRumors](https://www.macrumors.com/2024/09/24/iphone-80-percent-charging-test/)