Sony PCG-Z505HSK - Manual (Page 7)

Customizing Your VAIO® Z505 SuperSlim Pro™ Notebook 7
Displaying Detailed Battery Information
Double-click the battery icon in the system tray to display the
BatteryScope window. The screen appears displaying the Battery tab,
which contains information such as the estimated time-to-empty and the
charging time.
To customize the BatteryScope toolbar and alarm system
You can customize the BatteryScope toolbar to suit your portable
computing needs, including modifications to the alarm settings. Refer to
the BatteryScope Help for more information.