Samsung NP530XBB-K01US User Manual page 50

Settings & Upgrade
Battery status
Move the cursor over the battery icon on the taskbar to view the
current battery charge.
Viewing the current battery charge when the
computer is turned off
Connect or disconnect the AC adapter from the computer to view
the current battery charge when the computer is turned off.
10:00
2013/7/1
Saving battery power
On the taskbar, select
Battery saver mode is activated.
Battery saver mode is disabled when the AC adapter is
connected.
50
→ Battery saver.