Apple MacBook Pro (Late 2007, 2.4/2.2 GHz) - Manual (Page 31)

Chapter 2 Life with Your MacBook Pro 31
Charging the Battery
When the power adapter that came with your MacBook Pro is connected, the battery
recharges whether the computer is on, off, or in sleep. The battery recharges more
quickly, however, if the computer is off or in sleep.
Getting Answers
Much more information about using your MacBook Pro is available in Mac Help on
your computer and on the Internet at www.apple.com/support/macbookpro.
To get Mac Help:
1 Click the Finder icon in the Dock (the bar of icons along the edge of the screen).
2 Choose Help > Mac Help (click the Help menu in the menu bar and choose Mac Help).
3 Click in the search field, type a question, and press Return on the keyboard.