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User’s Manual 6-7
Power and Power-up Modes
Note
1. 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.
2. To ensure the battery pack maintains maximum capacity, operate the
computer on battery power once a week until the battery pack is fully
discharged. Refer to the section Extending battery life in this chapter
for procedures. If the computer is continuously operated on AC power
for an extended period, more than a month, the battery might fail to
retain a charge. It might not function efficiently over the expected life of
the battery pack and Battery indicator might not indicate a low-battery
condition.
3. After the battery pack is charged, avoid leaving the AC adapter con-
nected and the computer turned off for more than a few hours at a time.
Continuing to charge a fully-charged battery pack can damage the bat-
tery.
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 adapter to the DC IN socket and plug the other end into a working
outlet.
The Battery indicator glows orange when the battery is being charged.
Time
The following table shows the approximate time required to fully charge a
discharged battery.
Charging time (hours)
Use only the computer connected to an AC power source or the optional
TOSHIBA Batteries charger to charge the battery pack. Never attempt to
charge the battery pack with any other charger.
Battery type Power on Power off
Battery pack (6 cell) 8 hours or more 4 hours
RTC battery 24 hours 24 hours