The next update for your MacBook is likely to introduce a new battery charge limiter to help preserve your laptop’s health, as regularly charging to 100% can shorten its lifespan.
Spotted in the macOS Tahoe 26.4 beta by MacRumors, the new feature, called Charge Limit, is separate from the existing Optimized Battery Charging.
The new feature for MacBook lets you set a firm charging limit between 80% and 100%. You can set it in 5% increments, so you can also choose 85%, 90%, or 95%….

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