Apple MACBOOK PRO User Guide - Page 24
Calibrating Your Battery
UPC - 639287030808
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Calibrating Your Battery To get the longest running time from your battery, calibrate it sometime during the first week you have your MacBook Pro and recalibrate occasionally to keep your battery functioning at its fullest capacity. To calibrate your battery: 1 Plug in the power adapter and fully charge your MacBook Pro battery until the light on the power adapter plug changes to green and the Battery icon in the menu bar indicates that the battery is fully charged. Battery fully charged Battery charging 2 Allow the battery to rest in the fully charged state for two hours or longer. You may use your computer during this time as long as the adapter is plugged in. 3 Disconnect the power adapter with the MacBook Pro on and start running it from the battery. You may use your computer during this time. When your battery gets low, you'll see the low battery warning dialog on the screen. 4 Continue to keep your computer turned on until it goes to sleep. Save your work and close all applications when the battery gets low and before the system goes to sleep. 5 Turn off the computer or allow it to sleep for five hours or longer. 6 Connect the power adapter and leave it connected until the battery is fully charged again. 24 Chapter 1 Getting Started