•Usethebatteryuntilthechargeiscompletelydepleted;thatis,usethebatteryuntilthebatterystatus
indicatorstartsblinkingorange.
•Rechargethebatterycompletelybeforeusingit.Thebatteryisfullychargedifthebatteryindicatorshows
greenwhentheacpoweradapterispluggedin.
•Alwaysusepowermanagementfeaturessuchaspowermodes,screenblank,sleep,andhibernation.
Managingthebatterypower
Toachievethebestbalancebetweenperformanceandpowersaving,adjustyourpowerplansettings.
Toaccesspowerplansettings,dothefollowing:
•ForWindows7:StartthePowerManagerprogramandthenclickthePowerPlantab.Forinstructionson
howtostartthePowerManagerprogram,see“AccessingLenovoprogramsontheWindows7operating
system”onpage12.
•ForWindows8:Right-clickthebatterystatusiconfromtheWindowsnoticationareaandclickPower
Options.ThenclickChangeplansettingsthatisnexttoyourpowerplan.
Formoreinformation,refertothehelpinformationsystemoftheprogram.
Power-savingmodes
Thereareseveralpower-savingmodesthatyoucanuseatanytimetoconservepower.Thissection
introduceseachmodeandgivestipsontheeffectiveuseofthebatterypower.
Introducingthepower-savingmodes
•Screenblank(fortheWindows7operatingsystemonly)
Thecomputerdisplayrequiresconsiderablebatterypower.Toturnoffpowertothedisplay,dothe
following:
1.Right-clickthePowerManagerbatterygaugeonthetaskbar.
2.SelectPoweroffdisplay.
•Sleep
Insleepmode,yourworkissavedtomemory,andthenthesolid-statedriveortheharddiskdriveandthe
computerdisplayareturnedoff.Whenyourcomputerwakesup,yourworkisrestoredwithinseconds.To
putyourcomputerintosleepmode,pressFn+F4.Toreturnfromsleepmode,pressFnkey.
•Hibernation
Byusingthismode,youcanturnoffyourcomputercompletelywithoutsavinglesorexitingfromany
programsthatarerunning.Whenthecomputerentershibernation,allopenprograms,folders,andles
aresavedtotheharddisk,andthenthecomputerturnsoff.
Toputthecomputerintohibernationmode,changeyourpowerplansettings.Toaccesspowerplan
settings,dothefollowing:
–ForWindows7:StartthePowerManagerprogramandthenclickthePowerPlantab.Forinstructions
onhowtostartthePowerManagerprogram,see“AccessingLenovoprogramsontheWindows7
operatingsystem”onpage12
.
–ForWindows8:Right-clickthebatterystatusiconfromtheWindowsnoticationareaandclickPower
Options.ThenclickChangeplansettingsthatisnexttoyourpowerplan.
•Wirelessoff
Whenyouarenotusingthewirelessfeatures,suchasBluetoothorwirelessLAN,turnthemoff.Thiswill
helpconservepower.Toturnoffthewirelessfeatures,pressFn+F5orusethewirelessradioswitch.
Chapter2.Usingyourcomputer25