Toshiba Portege M780 User Manual download pdf (Page 173)

User’s Manual 6-7

PORTÉGÉ M780

Charging the batteries

When the power in the battery pack becomes low, the Battery indicator will

flash orange to indicate that only a few minutes of battery power remain. If

you continue to use the computer while the Battery indicator flashes, the

computer will enable Hibernation Mode so that you do not lose any data,

and automatically turn itself 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 15V jack and plug the other end into a working

outlet - the Battery indicator will glow orange while the battery is being

charged.

Time

The following table shows the approximate time required to fully charge a

discharged battery.

Charging time (hours)

■ 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.

Use only the computer connected to an AC power source or 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

Battery pack

(51Wh, 6 Cell)

about 3.0 to 12.0 About 3.0

Slice Expansion Battery

(44Wh, 6 Cell)

about 3.0 to 9.5 About 2.5

RTC battery 8.0 Doesn’t charge

Please be aware that the charging time when the computer is on is

affected by ambient temperature, the temperature of the computer and

how you are using the computer - if you make heavy use of external

devices for example, the battery might scarcely charge at all during

operation. Please refer to the section Maximizing battery operating time,

for further information.

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Toshiba Portege M780 User Manual Page 173