4 Things to Know About Leaving Your MacBook Plugged In

It is fine to leave your MacBook plugged in Apple designed the battery management system for this scenario, so you do not need to worry about damaging the battery by keeping it connected.

Optimized Battery Charging helps preserve battery health This feature, enabled by default, learns your daily routine and holds the charge at around 80% until just before you typically unplug, which is the ideal range for lithium-ion longevity.

Constant cycling from 100% to zero is worse than staying plugged in Even if you leave it plugged in 24/7, the battery health will only dip slightly faster after a few years, which is still gentler than repeatedly draining and recharging the battery.

Do not panic if you see 100% after a long plugged-in session That reading is normal; the battery management software handles long-term health by keeping the charge at optimal levels most of the time.