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2.Connecttheacpoweradaptertothepowerconnectorofthecomputer.
3.Connectthepowercordintoanelectricaloutlet.
Tipsforusingtheacpoweradapter
•Whentheacpoweradapterisnotinuse,disconnectitfromtheelectricaloutlet.
•Donotbindthepowercordtightlyaroundtheacpoweradaptertransformerpackwhenitisconnectedto
thetransformer.
•Beforeyouchargethebatteries,makesurethattheirtemperatureisatleast10°C(50°F).
•Youcanchargethebatterieswhentheacpoweradapterisconnectedtothecomputer.Youneedto
chargethebatteriesinanyofthefollowingsituations:
–WhenthebatteryiconintheWindowsnotificationareashowsalowpercentageofbatterypower
remaining.
–Whenthebatterieshavenotbeenusedforalongtime
Checkingthebatterystatus
Thebattery-statusiconintheWindowsnotificationareashowsthepercentageofbatterypowerremaining.
Therateatwhichyouusebatterypowerdetermineshowlongyoucanusethebatteryofyourcomputer
betweencharges.Becauseeachcomputeruserhasdifferenthabitsandneeds,itisdifficulttopredicthow
longabatterychargewilllast.Therearetwomainfactors:
•Howmuchenergyisstoredinthebatterywhenyoubegintowork.
•Thewayyouuseyourcomputer.Forexample:
–Howoftenyouaccesstheharddiskdriveorsolid-statedrive.
–Howbrightyoumakethecomputerdisplay.
–Howoftenyouusethewirelessfeatures.
Tocheckfordetailedbatterystatusinformation,dothefollowing:
•ForWindows7:StartthePowerManagerprogramandclicktheBatterytab.Forinstructionsonhow
tostartthePowerManagerprogram,see“AccessingLenovoprogramsontheWindows7operating
system”onpage14.
•ForWindows8.1:StarttheLenovoSettingsprogramandclickPower.Forinstructionsonhowtostart
theLenovoSettingsprogram,see“AccessingLenovoprogramsontheWindows8.1operatingsystem”
onpage14
.
EnablingthebatteryalarmontheWindows7operatingsystem
FortheWindows7operatingsystem,youcanprogramyourcomputersothatwhenthebatterypowerfalls
belowacertainlevel,threeeventsoccur:analarmisinitiated,amessageisdisplayed,andtheLCDturnsoff.
Toenablethebatteryalarm,dothefollowing:
1.StartthePowerManagerprogramandthenclicktheGlobalPowerSettingstab.Forinstructions
onhowtostartthePowerManagerprogram,see“AccessingLenovoprogramsontheWindows7
operatingsystem”onpage14
.
2.IntheAlarmsarea,setthepowerlevelpercentageandtheactionintheLowbatteryalarmsectionand
Criticallylowbatteryalarmsection.
Note:Ifyourcomputerenterssleeporhibernationmodewhenthebatterypowerislow,butthealarm
messagehasnotyetbeendisplayed,themessagewillbedisplayedwhenthecomputerresumes.Toreturn
tonormaloperation,whenthemessageisdisplayed,clickOK.
30UserGuide