Users Manual
•Donotbindthepowercordtightlyaroundtheacpoweradaptertransformerpackwhenitisconnectedto
thetransformer.
•Beforeyouchargethebattery,ensurethatitstemperatureisatleast10°C(50°F).
•Youcanchargethebatterywhentheacpoweradapterisconnectedtothecomputer.Youneedto
chargeitinanyofthefollowingconditions:
–Whenanewbatteryisinstalled.
–Ifthebatterystatusindicatorstartsblinking
–Ifthebatteryhasnotbeenusedforalongtime
Chargingthebattery
Whenyoucheckbatterystatusandndthatthepercentageofpowerremainingisloworwhenthepower
alarmalertsyouthattheremainingpowerislow,youneedtochargeyourbattery.
Ifanacoutletisconvenient,plugtheacpoweradapterintoit,andtheninsertthejackintothecomputer.
Thebatterywillbefullychargedinabout2hours.Thisisaffectedbythebatterysizeandthephysical
environment.Thebatterystatusindicatorwillletyouknowthatthebatteryischarging,andwillalsonotify
youwhenthebatteryisfullycharged.
Note:Toincreasethelifeofthebattery,thecomputerdoesnotstartrechargingthebatteryiftheremaining
powerisgreaterthan95%.
Disablingthebuilt-inbattery
Youneedtodisablethebuilt-inbatteryinthefollowingsituations:
•Yourcomputerwillbeturnedoffforanextendedperiodoftime.
•YourSIMcardneedstobereplaced.
Todisablethebuilt-inbattery,dothefollowing:
1.Turnoffyourcomputeranddisconnecttheacpoweradapterandallcablesfromthecomputer.
2.Turnonyourcomputer.PressF1toenterThinkPadSetupwhentheThinkPadlogoappears.
3.SelectCong➙Power.Thesubmenuisdisplayed.
4.SelectDisableBuilt-inBattery.
5.ClickYesintheSetupWarningwindow.Waitforafewminutestilltheinsideofthecomputercools.
Maximizingthebatterylife
Tomaximizethelifeofthebattery,dothefollowing:
•Usethebatteryuntilthechargeiscompletelydepleted;thatis,usethebatteryuntilthebatterystatus
indicatorstartsblinkingorange.
•Rechargethebatterycompletelybeforeusingit.Thebatteryisfullychargedifthebatteryindicatorshows
greenwhentheacpoweradapterispluggedin.
•Alwaysusepowermanagementfeaturessuchaspowermodes,screenblank,sleep,andhibernation.
Managingthebatterypower
WithPowerManager,youcanadjustyourpowersettingstogiveyouthebestbalancebetweenperformance
andpowersaving.
Chapter2.Usingyourcomputer27