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Mobile Computing
Monitoring battery power
TECHNICAL NOTE: It is seldom necessary to charge the RTC
battery because it charges while the computer is on.
However, if the RTC battery is low, the real-time clock and
calendar become slow or stop working.
When Hibernation mode is enabled and the RTC battery is
completely discharged, a warning prompts you to reset the
real-time clock.
You can use the computer while the RTC battery is being charged,
although the charging status of the RTC battery cannot be
monitored.
Using a battery charger
You can purchase an optional battery charger that recharges
lithium ion battery packs without requiring the use of your
computer.
CAUTION: Avoid leaving batteries in the battery charger for
more than a week at a time. Doing so may reduce the
potential charge of the battery.
Use only battery chargers designed to work with your com-
puter and its batteries.
You can order a Toshiba battery charger using the accessory
information packaged with your computer, or through
Toshiba’s Web site (www.toshibaaccessories.com).
Monitoring battery power
The computer’s battery light gives you an indication of the
battery’s current charge:
❖ No illumination means the battery has completely discharged
and the AC adapter is not connected.