The battery pack is the internal power source for the computer. It is
rechargeable using the AC or car 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 Chapter 8. In
addition to this chapter, be sure to read the "Battery Pack Guidelines" section in
Chapter 8 as well.
Charging the Battery Pack
Charging will not start if the battery's temperature is below 0 C (32 F) or above
40 C (104 F).
The charging process will stop when the battery's temperature gets above 60 C
(140 F). If this happens, the battery pack may be damaged, please contact your
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 LED on the computer
glows orange 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 LED glows
It takes approximately 90 minutes to charge the battery pack to 80%
capacity and two or three more hours to fully charge the battery pack.
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