Managing Power
3-3
Battery Pack
The battery pack is the internal power source for the computer. It is rechargeable
using the AC adapter.
The operating time of a fully charged battery pack depends on how you are
using the computer. When your applications often access peripherals, you will
experience a shorter operating time.
NOTE: Care and maintenance information for the battery is provided in the “Battery Pack
Guidelines” section in Chapter 7.
Charging the Battery Pack
NOTE: Charging will not start if the battery’s temperature is below 0
°
C (32
°
F) or above 40
°
C
(104
°
F).
NOTE: The charging process will stop and the Battery Charge Indicator flashes red when the
battery’s temperature gets above 60
°
C (140
°
F). If this happens, the battery pack may be
damaged. Please contact your dealer.
NOTE: During charging, do not disconnect the AC adapter before the battery has been fully
charged; otherwise you will get a prematurely charged battery.
To charge the battery pack, connect the AC adapter to the computer and an
electrical outlet. The Battery Charge Indicator (
) on the computer glows in
amber to indicate that charging is in progress. You are advised to keep the
computer power off while the battery is being charged. When the battery is fully
charged, the Battery Charge Indicator glows in green.
CAUTION: After the computer has been fully recharged, do not immediately disconnect and
reconnect the AC adapter to charge it again. Doing so may damage the battery.
NOTE: The battery level may automatically lessen due to the self-discharge process (0.21 % per
day), even when the battery pack is fully charged (100 %). This happens no matter if the battery
pack is installed in the computer.
Initializing the Battery Pack
You need to initialize a new battery pack before using it for the first time or
when the actual operating time of a battery pack is much less than expected.
