Apple 190 series manual Power sources, Monitoring the battery charge

Read this chapter for

information about your

Macintosh PowerBook’s battery.

6 Power Management

Power sources

Your computer can draw its operating power from two different sources.

mMain battery Your computer came with a nickel-metal-hydride (NiMH) battery. The battery should provide between 2.5 and 5 hours of work time (you may get longer work time depending on the battery conservation features you choose).

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:

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.

mReceive low-power messages on your display.

mLook at the battery level icon next to the clock in the menu bar (if this feature is turned on).

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