This ability to hold a charge is referred to as its 'Health.'
The bottom of the Energy Saver box also has a button labeled 'Battery Health.' Like all rechargeable batteries, the battery inside of your Mac degrades over time, and holds less of a charge.
You can also customize the amount of time of inactivity it will take before your computer goes to sleep, which is especially useful if you take regular breaks while working on battery power.Click on certain settings to conserve energy, such as 'Slightly dim the display while on battery power' and 'Put hard disks to sleep when possible.'.If your battery is low, you can customize settings here to save battery as well. The battery percentage will appear at the top of your screen, next to the battery icon.ĥ.
