![]() “Design Capacity” represents 100% “Max Capacity” is x (Battery Health). ![]() Calculate Battery Health using simple maths: Copy and paste the following command in Terminal: ioreg -l -w0 | grep Capacity 3. Open Terminal app, from Finder or Launchpad. Keep it plugged in and perform the following steps: 1. Tip: For best accuracy connect your Mac to a power outlet and let the battery charge to 100%. How To Check Battery Health On MacBookįortunately, there is a way to calculate how healthy the MacBook battery is when compared to its new state. However, this new feature is only available on the new M1, M1 Pro and M1 Max powered computers.Īll Intel-based MacBooks are missing the Battery Health button in System Preferences -> Battery. ![]() In macOS Big Sur, Apple has expanded the Battery Health info to Macs. Did you know that you can check Battery Health on Mac using the Terminal app? A simple command provides all the info about your MacBook’s battery, including design capacity, current Max Capacity, Cycle Count and more! ![]()
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