Care and use of the battery pack
❑How much charge the battery contained to begin with.
❑How you use optional devices, such as a PC card, to which the battery supplies power.
❑Enabling Standby mode conserves battery power if you are frequently turning the computer off and on.
❑Where you store your programs and data.
❑Closing the display when you are not using the keyboard saves power.
❑Operating time decreases at low temperatures.
❑The condition of the battery terminals. Make sure the battery terminals stay clean by wiping them with a clean dry cloth before installing the battery pack.
Retaining data with power off
When you turn off your computer with fully charged batteries, the batteries retain data for the following approximate time periods:
Battery pack | 3600mAh about 3.0 days(Standby mode) |
| about 25 days (Boot mode) |
| 4400mAh about 3.6 days(Standby mode) |
| about 30 days (Boot mode) |
RTC battery | 1 month |
Extending battery life
To maximize the life of your battery pack:
❑At least once a month, disconnect the computer from a power source and operate it on battery power until the battery pack fully discharges. Before doing so, follow the steps below.
1.Turn off the computer’s power.
2.Disconnect the universal AC adaptor and turn on the computer’s power. If it does not turn on go to step 4.
3.Operate the computer on battery power for five minutes. If the battery pack has at least five minutes of operating time, continue operating until the battery pack is fully discharged. If the Battery indicator flashes or there is some other warning to indicate a low battery, go to step 4.
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