Apple MacBook (13-inch, Early 2009) - Manual (Page 26)

26 Chapter 2 Life with Your MacBook
The amount of battery charge left can also be checked by viewing the Battery ( )
status icon in the menu bar. The battery charge level displayed is based on the amount
of power left in the battery with the applications, peripheral devices, and system
settings you are currently using. To conserve battery power, close applications and
disconnect peripheral devices not in use, and adjust your Energy Saver settings.
For more information about battery conservation and performance tips, go to
www.apple.com/batteries/notebooks.html.
Charging the Battery
When the power adapter that came with your MacBook is connected, the battery
recharges whether the computer is on, off, or in sleep. The battery recharges more
quickly, however, when the computer is off or in sleep.
Battery
Indicator lights
Button
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