Toshiba Qosmio X500 User Manual page 126

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The battery pack is lithium ion battery, which can explode if not
replaced, used, handled or disposed of properly. Dispose of the battery
as required by local ordinances or regulations. Use only batteries
recommended by TOSHIBA as replacements.
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Charge the battery pack only in an ambient temperature between 5
and 35 degrees Celsius. Otherwise, the electrolyte solution might leak,
battery pack performance might deteriorate and the battery life might
be shortened.
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Never install or remove the battery pack without first turning off the
power and disconnecting the AC adaptor. Never remove the battery
pack while the computer is in Sleep Mode. Data could be lost.
Never remove the battery pack while the Wake-up on LAN function is
enabled. Data will be lost. Before you remove a battery pack, disable the
Wake-up on LAN function.
Charging the batteries
When the power in the battery pack becomes low, the Battery indicator
flashes orange, indicating that only a few minutes of battery power remain.
If you continue to use the computer while the Battery indicator flashes, the
computer enables Hibernation Mode (so you don't lose data) and
automatically turns off.
You must recharge a battery pack when it becomes discharged.
Procedures
To recharge a battery pack while it is installed in the computer, connect the
AC adaptor to the DC IN 19V jack and plug the other end into a working
outlet.
The Battery indicator glows orange when the battery is being charged.
Use only the computer connected to an AC power source to charge the
battery pack. Never attempt to charge the battery pack with any other
charger.
Time
The following table shows the approximate time required to fully charge a
discharged battery.
Battery type
Battery pack
(6-cell, 12-cell)
RTC battery
User's Manual
Power on
4-10 hours
About 24 hours
Charging time (hours)
Power and Power-Up Modes
Power off
4 hours max
About 24 hours
6-5