ThinkPad S440 - Maximizing the Battery Life; Managing the Battery Power; Power-Saving Modes

Note:Tomaximizethelifeofthebattery,thecomputerdoesnotstartrechargingthebatteryiftheremaining
powerisgreaterthan95%.
Maximizingthebatterylife
Tomaximizethelifeofthebattery,dothefollowing:
•Usethebatteryuntilthechargeiscompletelydepleted.
•Rechargethebatterycompletelybeforeusingit.Youcanseewhetherthebatteryisfullychargedfromthe
battery-statusiconintheWindowsnotificationarea.
•Alwaysusepowermanagementfeaturessuchaspower-savingmodes.
Managingthebatterypower
Toachievethebestbalancebetweenperformanceandpowersaving,adjustyourpowerplansettings.
Toaccesspowerplansettings,dothefollowing:
•ForWindows7:StartthePowerManagerprogramandthenclicktheBatterytab.Forinstructionson
howtostartthePowerManagerprogram,see“AccessingLenovoprogramsontheWindows7operating
system”onpage13.
•ForWindows8andWindows8.1:Gotothedesktop.Right-clickthebattery-statusiconintheWindows
notificationareaandclickPowerOptions.ThenclickChangeplansettingsthatisnexttoyourpower
plan.
FormoreinformationaboutthePowerManagerprogram,refertothehelpinformationsystem.
Power-savingmodes
Thereareseveralmodesthatyoucanuseatanytimetoconservepower.Thissectionintroduceseach
modeandgivestipsontheeffectiveuseofthebatterypower.
•Screenblankmode(forWindows7only)
Thecomputerdisplayrequiresconsiderablebatterypower.Toturnoffthepowertothedisplayandmake
thecomputerenterscreenblankmode,right-clickthebatterygaugeiconintheWindowsnotificationarea
andselectPoweroffdisplay.
•Sleepmode
Insleepmode,yourworkissavedtomemory,andthenthesolid-statedriveortheharddiskdriveandthe
computerdisplayareturnedoff.Whenyourcomputerwakesup,yourworkisrestoredwithinseconds.
Dependingonthemodel,yourcomputermightsupportthe30DayStandbyfunction.Whenthisfunction
isenabled,thecomputerconsumesevenlesspowerinsleepmodeandtakesonlysecondstoresume
normaloperationwhenyoupressthepowerbutton.Formoreinformationaboutthe30DayStandby
function,dothefollowing:
–ForWindows7:RefertothehelpinformationsystemofthePowerManagerprogram.Forinstructions
onhowtostartthePowerManagerprogram,see“AccessingLenovoprogramsontheWindows7
operatingsystem”onpage13
.
–ForWindows8andWindows8.1:OpentheLenovoSettingsprogramandclickPower➙30Day
Standby.
Toputyourcomputerintosleepmode,dothefollowing:
–ForWindows7:UsetheStartmenushutdownoption.
–ForWindows8andWindows8.1:Movethepointertothetop-rightorbottom-rightcornerofthescreen
tobringupthecharms.ThenclickSettings➙Power➙Sleep.
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