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40
Mobile computing
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 the accessories information that shipped with your
computer or visit the Toshiba Web site at
accessories.toshiba.com. Use only batteries designed
to work with your Toshiba notebook computer.
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 45 for procedures. If the computer is
continuously operated on AC power, either through an AC
adaptor 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.
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.
Monitoring main battery power
The computer's main battery light gives you an indication of
the main battery's current charge:
❖
Glows amber while the main battery is being charged
(AC adaptor connected)
❖
Glows blue when the main battery is fully charged
❖
Is unlit when the battery has discharged, the battery is not
charging, or the AC adaptor is not plugged into the
computer or AC outlet
TECHNICAL NOTE: The RTC battery does not charge while the
computer is turned off, even when AC power is attached.
The RTC battery charges only while the computer is powered on.
Battery life and charge time may vary, depending upon power
management settings, applications and features used.
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