6-10 User’s Manual
Power and Power-Up Modes
Time
The following table shows the approximate time required to fully charge a
discharged battery.
Charging time (hours)
Battery charging notice
The battery may not charge right away under the following conditions:
■ The battery is extremely hot or cold. If the battery is extremely hot, it
might not charge at all. To ensure the battery charges to its full
capacity, charge the battery at room temperature of 10° to 30°C (50° to
88°F).
■ The battery is nearly completely discharged. Leave the AC adaptor
connected for a few minutes and the battery should begin charging.
The Battery indicator may show a rapid decrease in battery operating time
when you try to charge a battery under the following conditions:
■ The battery has not been used for a long time.
■ The battery has completely discharged and been left in the computer
for a long time.
■ A cool battery is installed in a warm computer.
In such case, follow the steps below.
1. Fully discharge the battery by leaving it in the computer with the power
on until the power automatically shuts off.
2. Connect the AC adaptor to the DC IN 15V jack of the computer, and the
AC adaptor into power outlet.
3. Charge the battery until the Battery indicator glows green.
Repeat these steps two or three times until the battery recovers normal
capacity.
Use only the computer connected to an AC power source or the optional
TOSHIBA Battery charger to charge the battery pack. Never attempt to
charge the battery pack with any other charger.
Battery type Power on Power off
High capacity battery pack (8800mAh) about 9.0 to 21.5 about 4.5
Battery pack (4700mAh) about 5.5 to 13.0 about 3.0
2nd battery pack (3600mAh) about 4.0 to 9.5 about 3.0
RTC battery 8.0 Doesn't charge
The charging time when the computer is on is affected by ambient
temperature, the temperature of the computer and how you use the
computer. If you make heavy use of external devices, for example, the
battery might scarcely charge at all during operation. Refer also to the
section Maximizing battery operating time.
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