Samsung NP600B4CA01US ユーザーズマニュアル

This program helps you use the battery more efficiently 

and supports the power mode optimized for the operating 

environment.

  Click Start > Control Panel > Hardware and Sound > 

Power Options.
Alternatively, right-click the power measuring device icon 

 in the notification area of the taskbar and select Power 

Options.

  If the following screen appears, select one of the modes.

In the Easy Settings program, click General and set the Battery 

Life Extender to ON or OFF.

This mode maintains 100% of the battery 

charge when using the computer on AC power. 

In this case, although the battery use time 

increases, the battery life is reduced.

This mode maintains 80% of the battery charge 

when using the computer on AC power. In this 

case, although the battery use time decreases, 

the battery life is extended. 

Alternatively, to extend the battery life
Press the F2 key when the Samsung logo appears in the 

booting sequence to enter the BIOS Setup, select Advanced 

> Battery Life Cycle Extension, and set it to Enable.  

Then you can use the battery life cycle extension mode.