Lenovo THINKPAD L520 - Charging the Battery; Maximizing Battery Life; Managing Your Battery Power; Power-Saving Modes

–Whenyoupurchaseanewbattery
–Ifthebatterystatusindicatorstartsblinking
–Ifthebatteryhasnotbeenusedforalongtime
Beforeyouchargethebattery,makesurethatitstemperatureisatleast10°C(50°F).
Chargingthebattery
Whenyoucheckbatterystatusandndthatthepercentageofpowerremainingisloworwhenthepower
alarmalertsyouthatremainingpowerislow,youneedtochargeyourbatteryorreplaceitwithacharged
battery.
Ifanacoutletisconvenient,plugtheacpoweradapterintoit,andtheninsertthejackintothecomputer.
Thebatterywillchargeinaboutthreetosixhours.Thisisaffectedbythebatterysizeandthephysical
environment.Thebatterystatusindicatorwillletyouknowthatthebatteryischarging,andwillalsonotify
youwhenthebatteryisfullycharged.
Note:Toincreasethelifeofthebattery,thecomputerdoesnotstartrechargingthebatteryiftheremaining
powerisgreaterthan95%.
Maximizingbatterylife
Tomaximizethelifeofthebattery,dothefollowing:
•Usethebatteryuntilthechargeiscompletelydepletedorthebatterystatusindicatorstartsblinking
orange.
•Rechargethebatterycompletelybeforeusingit.Thebatteryisfullychargedifthebatteryindicatorshows
greenwhentheacpoweradapterispluggedin.
•Foranewbatteryorabatterythatyouhavenotusedrecently,dooneofthefollowing:
1.Rechargethebatterycompletelybeforeusingit.Thebatteryisfullychargedwhentheacpower
adapterispluggedinandthebatteryindicatorisgreen.
2.Usethebatteryuntilthechargeiscompletelydepleted—untilthebatterystatusindicatorstarts
blinkingorange.
•Alwaysusepowermanagementfeaturessuchaspowermodes,screenblank,sleep(standby),and
hibernation.
Managingyourbatterypower
WithPowerManager,youcanadjustyourpowersettingstogiveyouthebestbalancebetweenperformance
andpowersaving.
Tostarttheutilityprogram,doasfollows:
•ForWindows7:See“AccessingapplicationsinWindows7”onpage16
.
•ForWindowsVistaandWindowsXP:ClickStart➙AllPrograms➙ThinkVantage➙PowerManager.
FormoreinformationaboutthePowerManagerprogram,refertotheon-linehelpoftheprogram.
Power-savingmodes
Thereareseveralmodesthatyoucanuseatanytimetoconservepower.Thissectionintroduceseach
modeandgivestipsontheeffectiveuseofthebatterypower.
Chapter2.Usingyourcomputer37