As you probably know, a battery’s charge capacity diminishes over time. If you’ve recently got an M-series MacBook, you spent a good amount of money on that laptop, so you want the battery to be viable as long as possible. Fortunately, macOS has built-in ways to help maintain your battery’s condition.
In macOS Sonoma, the Battery System Setting provides good information you can use to determine your battery’s health. There’s a chart that displays your battery charge level over the last 24 hours and the last 10 days. Another chart shows screen usage–the MacBook’s screen is one of the most power-hungry components.
But there’s a setting that’s not obvious in the Battery tab in System Settings. It’s called Optimized Battery Charging, and we’ll cover what it’s about and why you should be using it.
Read more at Macworld.com