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To remove a battery pack:
Set the battery lock/unlock latch to the unlock position
battery release latches to the unlock position
remove it (4).
Charging the battery
To charge the battery, first make sure that it is correctly installed in the battery bay.
Plug the AC adapter into the computer, and connect to a mains power outlet. You can
continue to operate your computer on AC power while your battery is charging.
However, charging the battery with the computer turned off results in a significantly
faster charge time.
Note: You are advised to charge the battery before retiring for the day. Allowing
the battery to charge overnight before traveling enables you to start the next day
with a fully charged battery.
Operating on battery power
(1). Slide and hold the two
(2). Flip up the battery pack (3) and