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Charging the batteries – Toshiba NB305 User Manual

Page 81

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User’s Manual

6-6

Power and Power-up Modes

Charging the batteries

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

flash amber 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 19V jack and plug the other end into a working

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

charged.

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 begin charging immediately 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, you should charge it at room temperature of between 5° to

35°C (41° to 95°F).

The battery is nearly completely discharged. In this instance you should

leave the AC adaptor connected for a few minutes and the battery

should begin charging.

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.

Battery type

Power on

Power off

Battery Pack (3 cell)

about 12 or longer

about 4 or longer

Battery Pack (6 cell)

about 12 or longer

about 6 or longer

RTC battery

about 24

about 24 with AC or

Battery pack

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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