Note:Toincreasethelifeofthebattery,thecomputerdoesnotstartrechargingthebatteryiftheremaining
powerisgreaterthan95%.
Maximizingthebatterylife
Tomaximizethelifeofthebattery,dothefollowing:
•Usethebatteryuntilthechargeiscompletelydepleted;thatis,usethebatteryuntilthebatterystatus
indicatorstartsblinkingorange.
•Rechargethebatterycompletelybeforeusingit.Thebatteryisfullychargedifthebatt eryindicatorshows
greenwhentheacpoweradapterispluggedin.
•Alwaysusepowermanagementfeaturessuchaspowermodes,screenblank,sleep,andhibernation.
Managingthebatt erypower
Toachievethebestbalancebetweenperformanceandpowersaving,adjustyourpowerplansettings.
Toaccesspowerplansettings,dothefollowing:
•ForWindows7:StartthePowerManagerprogramandthenclicktheBatterytab.F orinstructionson
howtostartthePowerManagerpr ogram,see“AccessingLenovoprogramsontheWindows7operating
system”onpage15.
•ForWindows8:GotoControlPanelandclickPowerOptions.
Formoreinformation,refertothehelpinformationsystemoftheprogr am.
Power-savingmodes
Thereareseveralmodesthatyoucanuseatanytimetoconservepower.Thissectionintroduceseach
modeandgivestipsontheeffectiveuseofthebatterypower.
Introducingthepower-savingmodes
•Screenblank(fortheWindows7operatingsystemonly)
Thecomputerdisplayrequiresconsiderablebatterypower.Toturnoffpowertothedisplay,right-clickthe
batterygaugeiconfromtheWindowsnoticationareaandselectPoweroffdisplay.
•Sleep
Insleepmode,yourworkissavedtomemory,andthenthesolid-statedriveortheharddiskdriveandthe
computerdisplayareturnedoff.Whenyourcomputerwakesup,yourworkisrestoredwithinseconds.To
putyourcomputerintosleepmode,dothefollowing:
–ForWindows7:
1.ClickStart.
2.ClickthetrianglemarkontherightsideoftheShutdownicon;thenselectSleep.
–ForWindows8:
1.Movethecursortothebottomrightcornerofthescreentobringupthecharm.
2.ClickSettings➙Power➙Sleep.
Dependingonthecomputermodel,yourcomputermightsupportthe30DayStandbyfunction.Whenthis
functionisenabled,thecomputerconsumesevenlesspowerinsleepmodeandtakesonlyseconds
toresumenormaloperationwhenyoupressthepowerbutton.Formoreinformationaboutthe30Day
Standbyfunction,dothefollowing:
–ForWindows7:RefertothehelpinformationsystemoftheP owerManagerprogram.F orinstructions
onhowtostartthePowerManagerprogram,see“AccessingLenovopr ogramsontheWindows7
operatingsystem”onpage15.
32UserGuide