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3-4 Managing Power
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.
3. Disconnect the AC adapter and leave the computer on until the
battery is fully discharged. The computer will shut down
automatically, depending on your settings in Windows.
4. Connect the AC adapter to fully charge the battery pack.
Checking the Battery Level
When two batteries exist on the system, the battery’s discharge sequence
is from the secondary battery (located on the optical drive bay) to the
primary battery (located on the right side). When the battery charge on
the secondary battery falls below 9.1 V, then power usage will switch to
the primary battery. When the battery charge on the primary battery falls
below 9.1 V, then system will shutdown.
NOTE: Any battery level indication is an estimated result. The actual operating time can
be different from the estimated time, depending on how you are using the computer.
You can check the approximate battery level using the battery meter
function of the operating system. To read the battery level in Windows,
click the
icon on the taskbar. (Click the icon if the computer is
using AC power.)