Managing Power
3-4
To charge the battery pack, connect the AC adapter to the computer and
an electrical outlet. The Battery Charge Indicator (
) on the computer
glows 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 green.
The sequence of charging is Primary, then Bay1 and Bay2 battery packs.
The charging times are as follows:
Charging Time
Battery Type
(2400 mah or more
per cell)
Computer is Off
Computer is On and
in Idle State
Primary (107 watt)
3.5 hours
4.7 hours
Bay1 (71 watt)
2.5 hours
3.5 hours
Bay2 (71 watt)
2.5 hours
3.5 hours
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.
Initializing is the process of fully charging, discharging, and then
charging. It can take several hours.
1.
Make sure the computer power is turned off. Connect the AC adapter
to fully charge the battery pack.
2.
After the battery pack is fully charged, turn on the computer.
Содержание A790
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