Care and use of the battery pack

Time

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

 

Charging time (hours)

 

Battery type

Power on

Power off

Battery pack

8400mAh 7 to 20 or longer

about 3.5

RTC battery

8

Doesn’t charge

NOTES: 1. 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.

2.The charge time of a battery changes with the apparatus composition and the situation of operation of a personal computer, or the specifications of AC adaptor.

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 universal 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.Plug in the AC adaptor.

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