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Mobile Computing
Running the computer on battery power
5.375 x 8.375 ver 2.4.0
varies depending on usage. The battery may not charge while
the computer is consuming full power.
After a period of time, the battery will lose its ability to
perform at maximum capacity and will need to be replaced.
This is normal for all batteries. To purchase a new battery
pack, see your accessories information that shipped with your
computer or visit the Toshiba Web site at toshiba.com.
To ensure that the battery maintains its maximum capacity,
operate the computer on battery power at least once a month
until the battery is fully discharged. Please see “Maximizing
battery life” on page 129 for procedures. If the computer is
continuously operated on AC power, either through an AC
adapter or a docking station (if applicable to your system), for
an extended period (more than a month) the battery may fail
to retain a charge. This may shorten the life of the battery, and
the battery light may not indicate a low-battery condition.
In addition, the computer has an internal real-time clock
(RTC) battery. This is a nickel metal hydride (NiMH) battery.
The RTC battery powers the RTC memory, which stores your
system configuration settings and the current time and date
for up to a month while the computer is turned off.
Using additional batteries
If you spend a lot of time traveling and need to work for
many hours without an AC power source, you may want to
carry additional charged batteries with you. You can then
replace a discharged battery and continue working.
Battery safety precautions
❖ If the battery pack produces an odor, overheats or
changes color or shape while it is being used or charged,
turn off the computer’s power immediately and
disconnect the power cord from the power socket.
Carefully remove the battery pack from the computer.
❖ Do not try to disassemble a battery pack.