ThinkPad S440 - Power Management; Checking the Battery Status

Note:TheTrackPointcapusedinyourcomputerhasgroovesaasshowninthefollowingillustration.
EnsurethatyoureplacetheTrackPointcapwithacorrectonethathassuchgrooves.
Powermanagement
Whenyouneedtouseyourcomputerawayfromelectricaloutlets,youdependonbatterypowertokeep
yourcomputerrunning.Differentcomputercomponentsconsumepoweratdifferentrates.Themoreyou
usethepower-intensivecomponents,thefasteryouconsumebatterypower.
SpendmoretimeunpluggedwithThinkPadbatteries.Mobilityhasrevolutionizedbusinessbyenabling
youtotakeyourworkwhereveryougo.WithThinkPadbatteries,youwillbeabletoworklongerwithout
beingtiedtoanelectricaloutlet.
Checkingthebatterystatus
ThebatteryiconintheWindowsnotificationareadisplaysthepercentageofbatterypowerremaining.
Therateatwhichyouusebatterypowerwilldeterminehowlongyoucanusethebatteryofyourcomputer
betweencharges.Becauseofdifferentuserhabitsandneeds,itisdifficulttopredicthowlongabattery
chargewilllast.Therearetwomainfactors:
•Howmuchenergyisstoredinthebatterywhenyoubegintowork.
•Thewayyouuseyourcomputer.Forexample:
–Howoftenyouaccesstheharddiskdriveorsolid-statedrive.
–Howbrightyoumakethecomputerdisplay.
–Howoftenyouusethewirelessfeatures.
Tocheckfordetailedbatterystatusinformation,dothefollowing:
•ForWindows7:OpenthePowerManagerprogramandclicktheBatterytab.
•ForWindows8andWindows8.1:OpentheLenovoSettingsprogramandclickPower.
EnablingthebatteryalarmontheWindows7operatingsystem
FortheWindows7operatingsystem,youcanprogramyourcomputersothatwhenthebatterypowerfalls
belowacertainlevel,threeeventsoccur:thealarmgoesoff,amessageisdisplayed,andtheLCDis
turnedoff.
Toenablethebatteryalarm,dothefollowing:
28UserGuide