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MacBook battery calibrate: A guide

  • Aug 10, 2020
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In order to use the battery in your MacBook as efficiently as possible, you need to calibrate it from time to time. How to do this, read here.

MacBook-battery in a few easy steps to calibrate

You should calibrate a battery in the first use and then at regular intervals of a few months – just so your MacBook battery time and percent display can determine the exact and holds for as long as possible to its maximum capacity. If you use your MacBook mainly about the power supply, it is recommended to calibrate the battery even Once a month. But: Apple Notebooks with built-in rechargeable battery does not need to be calibrated.
  • Connect your MacBook via the adapter to the electrical outlet until the battery is fully charged and the LED on your MagSafe plug glows green. During this time, you can work with your Mac as usual.
  • Then, the battery must remain at least two hours in fully charged condition. Also, now you can continue to work on your Mac, but under no circumstances the mains plug.
  • After two hours, you disconnect your MacBook from the network and continue to work until you are notified by a warning message about the low state of charge of your battery.
  • Save all the documents you have opened and you can continue to work until your MacBook goes into sleep mode.
  • Now you need to leave your MacBook at least five hours in sleep mode. So the last of the energy reserves of the battery to be depleted.
  • In the last step, you need to charge the battery of your MacBook completely. Here also applies: you can't work in normal mode with your Mac, the charging interrupt. As soon as the LED on the MacSafe-connector lights up green again, you have completed the calibration.
You should break the calibration for any reason, you have to start again from the beginning.

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