The macOS Tahoe 26.4 beta released by Apple today includes the Charge Limit feature for Mac. There’s a new slider that lets Mac users choose a charge level from 80 percent to 100 percent.
Charge Limit is a setting that’s available in addition to Optimized Battery Charging and can prevent your Mac from charging to 100 percent.
Apple’s existing Optimized Battery Charging feature keeps your Mac at 100 percent until it’s needed for use, with the option to use your daily charging routine to determine when to charge to full. While Optimized Battery Charging can help preserve battery life, it still allows your Mac to charge to 100 percent on a regular basis.
The new Charge Limit feature is a hard limit that keeps a Mac’s battery at 80 percent, 85 percent, 90 percent, 95 percent, or 100 percent, giving users more control over their Mac’s maximum charge level. Keeping your Mac battery at 80 percent could extend battery life by maintaining battery health over time.
The charge limit can be activated by opening the System Settings app, going to Battery and clicking the “i” button next to Charge.
Starting with the launch of the iPhone 15 series in 2023, Apple’s iPhones have a charge limit feature.
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