ThinkPad X140e - Using the Ac Power Adapter; Charging the Battery; Maximizing the Battery Life

•ForWindows8:OpentheLenovoSupportprogramandclickBatteryHealth,oropentheLenovo
SettingsprogramandclickPower.
Usingtheacpoweradapter
Thepowertorunyourcomputercancomeeitherfromthelithium-ion(Li-ion)batterypackprovidedwithit,
orfromacpowerthroughtheacpoweradapter.Whileyouuseacpower,thebatterychargesautomatically.
Theacpoweradapterthatcomeswithyourcomputerhastwobasiccomponents:
•Thetransformerpackthatconvertsacpowerforusewiththecomputer.
•Thepowercordthatplugsintotheacoutletandintothetransformerpack.
Attention:Usinganimproperpowercordcouldcauseseveredamagetoyourcomputer.
Connectingtheacpoweradapter
Tousetheacpoweradapter,dothefollowing.Besuretotakethesestepsintheorderinwhichtheyare
givenhere.
1.Connectthepowercordtoanelectricaloutlet.
2.Connectthepowercordtothetransformerpack.
3.Connecttheacpoweradaptertothepowerconnectorofthecomputer.
Tipsonusingtheacpoweradapter
Youcancheckthestatusofyourbatteryatanytimebylookingatthebatterymeteratthebottomofyour
display.
•Whentheacpoweradapterisnotinuse,disconnectitfromtheelectricaloutlet.
•Donotbindthepowercordtightlyaroundtheacpoweradaptertransformerpackwhenitisconnectedto
thetransformer.
•Beforeyouchargethebattery,makesurethatitstemperatureisatleast10°C(50°F).
•Youcanchargethebatterywhentheacpoweradapterisconnectedtothecomputerandthebatteryis
installed.Youneedtochargeitinanyofthefollowingconditions:
–Whenyoupurchaseanewbattery
–Ifthebatterymeteratthebottomofyourdisplayshowsthebatterychargeislow
–Ifthebatteryhasnotbeenusedforalongtime
Chargingthebattery
Whenyoucheckbatterystatusandndthatthepercentageofpowerremainingisloworwhenthepower
alarmalertsyouthattheremainingpowerislow,youneedtochargeyourbatteryorreplaceitwitha
chargedbattery.
Ifanacoutletisconvenient,plugtheacpoweradapterintoit,andtheninsertthejackintothecomputer.
Thebatterywillbefullychargedinaboutthreetosixhours.Thisisaffectedbythebatterysizeandthe
physicalenvironment.Thebatterystatusindicatorwillletyouknowthatthebatteryischarging,andwill
alsonotifyyouwhenthebatteryisfullycharged.
Note:Toincreasethelifeofthebattery,thecomputerdoesnotstartrechargingthebatteryiftheremaining
powerisgreaterthan95%.
Maximizingthebatterylife
Tomaximizethelifeofthebattery,dothefollowing:
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