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Battery Power
If you have a battery charger (optional) or Cradle (optional), you can remove one battery pack to charge while the other bat-
tery pack is operating.
The battery pack is a consumable item so the replacement will be necessary. If the battery operation time becomes noticeably
short and not recovered even after recalibrating the battery, replace with a new battery.
CAUTION
z
The battery pack is not charged when you first purchase it. Be sure to charge it before using for the first time. Charging
starts automatically when the AC adaptor is connected to the computer.
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Use only the specified battery pack with your computer.
Checking the battery pack that can be replaced/removed
Remove/replace the battery pack under the right conditions according to the chart below because if the computer is mistak-
enly shut down, this may cause data to be lost and the computer to malfunction.
Replacing the Battery Pack
When the com-
puter is ON or in
Sleep/Hibernation
When the AC adaptor
is not connected
Only one battery pack can be removed/replaced.
To check if the battery pack can be removed/replaced:
When you open the battery cover, the blinking (red) of battery indicator
tells.
• When blinking approx. every 4 seconds:
Can be replaced
• When blinking approx. every 0.5 second:
Cannot be replaced
When the AC adaptor
is connected
Both battery packs can be removed/replaced.
When the computer is OFF
Both battery packs can be removed/replaced.