How to switch off battery health management

  • Click the Apple symbol () at the top left of screen Select System Preferences Click Battery > Battery Health Deselect Manage battery longevity Click Turn Off Click OK

How to check battery health (cycles) & need for service

  • While holding Option/Alt, click the Apple symbol (), at the top left of screen Select System Information (this won’t show without pressing Option) The System Information app will open > Under Hardware select Power Under Battery Information look for Health Information For a modern MacBook Pro / Air this count should be sub-1000 cycles (other models/ages differ)

How to reset system management controller (SMC)

  • Shut down your MacBook, ensuring it’s plugged into a power socket Press Shift, CTRL, Option/Alt and power simultaneously, releasing at the same time Press the power button to restart your MacBook and the service message should have gone