Calibrating your Macbook Battery

by djsharpe on October 11, 2010

I came across this informative article on the site All About Apple and thought I’d post here it as well since I’m going thru this same issue and it really helped me.

Calibrating the MacBook battery (MacBook Battery Reset)
If you are experiencing a loss in charge or just feel the battery should perform better you can try to calibrate the battery. It is quite easy to do this MacBook Battery Reset. What you need to do is the following:

1. Plug in the power adapter and fully charge the laptop until the light turns green.

2. Keep the power adapter plugged in for about two hours, you can still use the computer during this.

3. Unplug the power adapter and keep using the computer until the computer enters sleep mode. Remember to save important work before the battery runs out!

4. Turn the computer off, or let it rest for five hours or more.

5. Connect the power adapter again, let it fully charge without interruption.

Now hopefully you may experience your battery performing better or lasting longer because of your battery care. Results may also depend on how old the battery is and how much it is used. You may have to do this calibration several times. (3 – 5)

** A very special thanks to All About Apple for this great post and advice! Follow the link and check out their site, it’s very informative! **

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