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 ( 
when running on battery power or 
when running on external power) 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.
Switch
The value of the corresponding green segment indicates the relative percentage of the battery charge. The battery pack is fully discharged when you see no segment glowing green.
Managing Power
