How to Perform Battery Calibration on MacBook

The problem with the battery on your Mac is that its performance will diminish over time. If you have a MacBook – or basically any other laptops – you will find out that it will experience problem detecting the number of charges left. If you want to maximize its performance and keep it running well for longer period of time, you need to perform battery calibration.

You see, the battery has its own microprocessor that has been designed to provide energy when it is charging and discharging. This ability will diminish over time, especially when you aren’t doing any recalibration at all. Recalibrating is necessary to keep the percentage display and onscreen time of the battery stays accurate, as well as keeping it working at the maximum performance and efficiency. Recalibrating needs to be done once every several months. But if you like to work with your laptop stays connected to the battery, this action needs to be done once every month. By recalibrating your battery, you won’t have to buy the new one for long period of time.

How to Perform Battery Calibration on MacBook

Recalibrating isn’t difficult at all, but you need to do these steps carefully and thoroughly. Here are the steps of how you should do it:

  1. Plug the laptop in.
  2. Let it fully charged. If you are using a MacBook, you will know that there is a light indicator on the adapter. Orange means charging and green means full. When the laptop has been fully charged, flip it over and then press the battery button. It should go green. You can also know the status of the battery from the bar.
  3. Let it fully charged for about 2 hours by keeping the adapter stays plugged in. Make sure that the light stays green for those 2 hours. If you have to work, just do it as usual – just be sure that the laptop is on.
  4. Disconnect the charger.
  5. Discharge the battery but keep the laptop on and use it like usual. Be sure to save your work all the time, especially when the battery low warning is appearing on your screen.  When the battery has reached very low – or critical – condition, it will go on sleep mode automatically.
  6. While the laptop sleep, wait for about 5 hours. This will discharge all the remnants within the battery so there will be zero power left. It will also reset the processor to detect the zero condition.
  7. You can now recharge because the recalibrating process has completed.

Here are also some handy tips that may help you have a smooth and well-running calibration process:

Always save your work when you are about to discharge the battery. If it possible, do it often.

It is advisable to do this step when you buy a new MacBook or when you buy a new battery.

If you work more often with your laptop stay connected that using the battery, do this action more often.

If you have the most current version of MacBook, you won’t have to do the recalibration at all as the batteries are mostly pre-calibrated.

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