Lenovo ThinkPad Edge E145 - Charging the Battery; Maximizing the Battery Life; Managing the Battery Power; Power-Saving Modes

•Youcanchargethebatterywhentheacpoweradapterisconnectedtothecomputerandthebatteryis
installed.Youneedtochargeitinanyofthefollowingconditions:
–Whenyoupurchaseanewbattery
–Ifthebatterymeteratthebottomofyourdisplayshowsthebatterychargeislow
–Ifthebatteryhasnotbeenusedforalongtime
Chargingthebattery
Whenyoucheckbatterystatusandndthatthepercentageofpowerremainingisloworwhenthepower
alarmalertsyouthattheremainingpowerislow,youneedtochargeyourbatteryorreplaceitwitha
chargedbattery.
Ifanacoutletisconvenient,plugtheacpoweradapterintoit,andtheninserttheconnectorintothe
computer.Thebatterywillbefullychargedinabout3to6hours.Thisisaffectedbythebatterysizeandthe
physicalenvironment.Thebatterystatusindicatorwillletyouknowthatthebatteryischarging,andwill
alsonotifyyouwhenthebatteryisfullycharged.
Note:Toincreasethelifeofthebattery,thecomputerdoesnotstartrechargingthebatteryiftheremaining
powerisgreaterthan95%.
Maximizingthebatterylife
Tomaximizethelifeofthebattery,dothefollowing:
•Usethebatteryuntilthechargeiscompletelydepleted;thatis,usethebatteryuntilthebatterystatus
indicatorstartsblinkingorange.
•Rechargethebatterycompletelybeforeusingit.Thebatteryisfullychargedifthebatteryindicatorshows
greenwhentheacpoweradapterispluggedin.
•Alwaysusepowermanagementfeaturessuchaspowermodes,screenblank,sleep,andhibernation.
Managingthebatterypower
Toachievethebestbalancebetweenperformanceandpowersaving,adjustyourpowerplansettings.
Toaccesspowerplansettings,dothefollowing:
•ForWindows7:StartthePowerManagerprogramandthenclicktheBatterytab.Forinstructionson
howtostartthePowerManagerprogram,see“AccessingLenovoprogramsontheWindows7operating
system”onpage13
.
•ForWindows8:GotoControlPanelandclickPowerOptions.
FormoreinformationaboutthePowerManagerprogram,refertothehelpinformationsystem.
Power-savingmodes
Thereareseveralmodesthatyoucanuseatanytimetoconservepower.Thissectionintroduceseach
modeandgivestipsontheeffectiveuseofthebatterypower.
•Screenblankmode(forWindows7only)
Thecomputerdisplayrequiresconsiderablebatterypower.Toturnoffthepowertothedisplayand
makethecomputerenterscreenblankmode,right-clickthebatterygaugeiconfromtheWindows
noticationareaandselectPoweroffdisplay.
•Sleepmode
Insleepmode,yourworkissavedtomemory,andthentheharddiskdriveandthecomputerdisplayare
turnedoff.Whenyourcomputerwakesup,yourworkisrestoredwithinseconds.
26UserGuide