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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.
A tool called “Gauge Reset” is provided for the purpose. See “Gauge Reset”
in Chapter 6 for information on using the tool.
Checking the Battery Level
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.
By Operating System
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 battery icon on the taskbar.
By Gas Gauge
On the exterior side of the battery pack is a gas gauge for displaying the
estimated battery charge. When the battery pack is not installed in the
computer and you want to know the battery charge, you can press the
switch with a pointed device to see the corresponding value of indicator
segment that light green.
3-4
Managing Power