Operation Manual
2.Connecttheacpoweradaptertothepowerconnectorofthecomputer.
3.Connectthepowercordintoanelectricaloutlet.
Tipsforusingtheacpoweradapter
•Whentheacpoweradapterisnotinuse,disconnectitfromtheelectricaloutlet.
•Donotbindthepowercordtightlyaroundtheacpoweradaptertransformerpackwhenitisconnectedto
thetransformer.
•Beforeyouchargethebatteries,makesurethattheirtemperatureisatleast10°C(50°F).
•Youcanchargethebatterieswhentheacpoweradapterisconnectedtothecomputer.Youneedto
chargethebatteriesinanyofthefollowingsituations:
–WhenthebatteryiconintheWindowsnotificationareashowsalowpercentageofbatterypower
remaining.
–Whenthebatterieshavenotbeenusedforalongtime
Checkingthebatterystatus
Moveyourpointertothebattery-statusiconintheWindowsnotificationareatocheckthebatterystatus.
Thebattery-statusicondisplaysthepercentageofbatterypowerremainingandhowlongyoucanuse
yourcomputerbeforeyoumustchargethebattery.
Therateatwhichyouusebatterypowerdetermineshowlongyoucanusethebatteryofyourcomputer
betweencharges.Becauseofdifferentuserhabitsandneeds,itisdifficulttopredicthowlongabattery
chargelasts.Therearetwomainfactors:
•Howmuchenergyisstoredinthebatterywhenyoubegintowork.
•Thewayyouuseyourcomputer.Forexample:
–Howoftenyouaccessthesolid-statedrive
–Howbrightyoumakethecomputerdisplay
–Howoftenyouusethewirelessfeatures
EnablingthebatteryalarmontheWindows7operatingsystem
FortheWindows7operatingsystem,youcanprogramyourcomputersothatwhenthebatterypowerfalls
belowacertainlevel,threeeventsoccur:thealarmgoesoff,amessageisdisplayed,andtheLCDis
turnedoff.
Toenablethebatteryalarm,dothefollowing:
1.StartthePowerManagerprogram.
2.ClicktheGlobalPowerSettingstab.
3.ForLowbatteryalarmorCriticallylowbatteryalarm,setthepercentageofthepowerlevelandset
theaction.
Note:Ifyourcomputerenterssleeporhibernationmodewhenthebatteryislow,butthealarmmessage
hasnotyetbeendisplayed,themessagewillbedisplayedwhenthecomputerresumes.Toresumenormal
operation,whenthemessageisdisplayed,clickOK.
Chargingthebattery
Whenyoucheckbatterystatusandfindthatthepercentageofpowerremainingisloworwhenthepower
alarmalertsyouthattheremainingpowerislow,youneedtochargeyourbattery.
38ThinkPadX1CarbonandThinkPadX1YogaUserGuide