Read this chapter for
information about your
Macintosh PowerBook’s battery.
5 Power Management
Power sources
Your computer can draw its operating power from two different sources.
mMain battery Your computer came with a
mAC power You can run your computer from a grounded electrical outlet by plugging in the power adapter.
These power sources are described in more detail in the following sections.
Monitoring the battery charge
There are three ways you can determine the charge level of your battery:
mSee
mLook in the Battery Monitor portion of the Control Strip.
For information on the Battery Monitor, see the “Batteries & Power” topic of Macintosh Guide, available in the Guide (h) menu.
mLook at the battery level icon next to the clock in the menu bar.
63