3 Things to Know About Mac Low Power Mode

Turn it on in System Settings Go to System Settings > Battery > Low Power Mode and set it to “Only on Battery” or “Never.” The menu bar battery icon also offers a quick toggle.

It saves battery with minimal trade-offs for light tasks Low Power Mode reduces CPU/GPU performance, dims the display, and cuts background activity. On an M-series MacBook Air, you won’t notice slowdowns for email, web, or writing, but you’ll gain an extra hour or two of runtime.

Don’t leave it on permanently Low Power Mode can make the system feel sluggish under heavy loads, and battery savings diminish when plugged in. Use it only when you need extra runtime, then turn it off.