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Power Management
Running the computer on battery power
Running the computer on battery power
The computer contains a removable lithium ion (Li-ion) battery
pack that provides power when you are away from an AC outlet.
This is the main battery. You can recharge it many times.
In addition to the main battery, you may also have a second battery
installed in the Slim SelectBay. If you travel and need to work for
many hours without an AC power source, you may purchase a
battery module for use in the computer's Slim SelectBay, or carry
additional charged battery packs with you.
The computer also has an internal real-time-clock (RTC) battery.
The RTC battery powers the RTC memory that stores your system
configuration settings and the current time and date information. It
maintains this information for up to a month while the computer is
turned off.
TECHNICAL NOTE: For optimum DVD performance, always
play DVDs while your computer is connected to AC power.
Charging the batteries
To charge the main battery while it is in your computer, plug the
computer into a live electrical outlet. The battery charges whether
the computer is on or off.
The main battery light (
charged, and glows green when it is fully charged.
The battery may not start charging immediately under the
following conditions:
The battery is extremely hot or cold. To ensure that the battery
charges to its full capacity, wait until it reaches room
temperature.
) glows amber while the battery is being
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