When using a MacBook, it is necessary to recalibrate the battery every now and then. This enables you to use the Mac efficiently and to save the battery in the long term. Allow around a day to calibrate your battery, as it has to be discharged beforehand and the calibration itself takes a long time.



Calibrate MacBook battery to maintain
Calibrating a battery helps to protect it in the long term. Due to the repeated charging and discharging, a battery increasingly wears out and sooner or later can lead to a low capacity. To perform a calibration, you have to bring your battery to a certain charge level and then recharge it.

MacBook calibration
1. Connect your MacBook to the wall socket using the power adapter.
2. Fully charge your MacBook. Wait until the full 100% is reached before removing the power adapter from the MacBook.
3. Before you unplug the AC adapter, however, the MacBook must be fully charged for at least two hours.
4. Make sure that you don't currently have any important files open.
5. Wait until the notebook goes to sleep.
6. Let your MacBook sleep for at least five hours.
7. Now fully charge your battery again. Make sure that under no circumstances unplug your power cord from the notebook until it is fully charged.



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Calibrate MacBook Battery - Use the battery efficiently