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1.1 Using the Battery Pack
W476 / W576 notebook computer is designed to operate with one
of the following power sources:
• AC power
(using the AC adapter connected to an electrical outlet)
• Lithium-Ion (Li-Ion) battery pack
You should use the AC adapter whenever possible; use the battery
pack only when AC power is unavailable. The rechargeable Li-
Ion battery pack allows you to operate your notebook computer
without an external power source. When you use the AC adapter
to connect your notebook to a power outlet, the internal battery will
begin to recharge. While the battery is charging, the Battery Charge
icon on the indicator panel will be on. Once the battery is fully
charged, the Battery Charge icon will turn off. Quick charging time
is 2.5 hours for the Lithium-Ion (Li-Ion) battery when the computer
is turned off, while the normal battery charging time is 3.5 hours.
• Operating a fax modem, video, or audio equipment can increase
the use of your computer’s power.
• Decreasing monitor brightness can also save power.
• When the battery is not fully charged, allow your battery to be
charged completely before using it (i.e., before disconnecting AC
power). Calibrating the battery before use is also highly recom-
mended.
• Li-Ion Battery is vulnerable, do not charge it with other power adap-
ter, otherwise fire or explosion may occur.
►Replacing the Battery◄
The battery will gradually weaken over time. We recommend that
you replace your battery when you notice a signicant decrease of
battery capacity.
To change the battery pack, follow the steps below:
1. Turn off the computer.
2. Close the lid and ip the computer over.
3. Slide the side battery latch (1) to the left. Continue to hold it
until the battery is removed.
4. Make sure the replacement battery is properly oriented before
inserting it into the battery compartment.
Note: The battery can not be charged to 100% when remaining
battery is no less than 95%. It is based on the supplier’s advice,
and to extend charging frequency and battery life.
►Maintenance of the AC Adapter◄
• Do not connect the adapter to any other device.
•
Do not step on the power cord or place heavy objects on top of it. Ca-
refully route the power cord and keep cables away from all traffic.
• When unplugging the power cord, do not pull on the cord itself but
on the plug instead.
• If you are using an extension cord, make sure that the devices
plugged onto the cord do not exceed its total capacity. Furthermo-
re, the devices plugged into the electrical outlet shall not exceed
the fuse’s total ampere rating.
• Please verify power voltage before connecting the electrical cord
to the power outlet. If you are uncertain of its power specification,
please consult with your local vendors or power company for more
details.