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6-12 User’s Manual
Power
■ How often and for how long you use the hard disk drive, optical disc and
floppy disk drives.
■ How much charge the battery contained to begin with.
■ How you use optional devices, such as a PC Cards, to which the
battery supplies power.
■ Whether you enable Standby Mode, which can conserve battery power
if you are frequently turning the computer off and on.
■ Where you store your programs and data.
■ Whether you close the LCD display panel when you are not using the
keyboard - closing the display saves power.
■ The environmental temperature - operating time decreases at low
temperatures.
■ The condition of the battery terminals - you should always ensure the
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.
Retention Time
Extending battery life
To maximize the life of your battery packs:
■ 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 as detailed below.
1. Turn off the computer’s power.
2. Disconnect the AC adaptor and turn on the computer’s power - if it
does not switch on then go to Step 4.
3. Operate the computer on battery power for five minutes. If you find
that the battery pack has at least five minutes of operating time,
continue operating until the battery pack is fully discharged,
however, if the Battery indicator flashes or there is some other
warning to indicate a low battery condition, go to Step 4.
Battery type State and Retention Time
Battery pack (4700mAh) about 3 days (Standby Mode)
about 30 days (Boot Mode)
High Capacity Battery Pack (7050mAh) about 5 days (Standby Mode)
about 50 days (Boot Mode)
RTC battery 30 days