Extending the Battery Usage Time
Decreasing the LCD Brightness
Press the Fn + (
) keys on the keyboard to decrease the LCD brightness to extend the battery usage time.
Using Easy Battery Manager
Easy Battery Manager is a power management program that enables using the battery power efficiently. You can select an optimized power mode according to your requirements.
1
2
Click Start > Control Panel > Hardware and Sound > Power Options.
Alternatively, 
) in the notification area of the taskbar and select Power Options.
If the following screen appears, select one of the modes.
Samsung Optimized
Multimedia
