Lenovo ThinkPad Edge E520 - Charging the Battery; Maximizing Battery Life; Managing Your Battery Power

3.Plugthepowercordintoanelectricaloutlet.
Tipsonusingtheacpoweradapter
•Whentheacpoweradapterisnotinuse,disconnectitfromtheelectricaloutlet.
•Donotbindthepowercordtightlyaroundtheacpoweradaptertransformerpackwhenitisconnectedto
thetransformer.
•Beforeyouchargethebattery,makesurethatitstemperatureisatleast10degreesCelsius(50degrees
Fahrenheit).
•Youcanchargethebatterywhentheacpoweradapterisconnectedtothecomputerandthebatteryis
installed.Youneedtochargeitinanyofthefollowingconditions:
–Whenyoupurchaseanewbattery
–Ifthethebatterymeteratthebottomofyourdisplayshowsthebatterychargeislow
–Ifthebatteryhasnotbeenusedforalongtime
Chargingthebattery
Whenyoucheckbatterystatusandndthatthepercentageofpowerremainingisloworwhenthepower
alarmalertsyouthatremainingpowerislow,youneedtochargeyourbatteryorreplaceitwithacharged
battery.
Ifanacoutletisconvenient,plugtheacpoweradapterintoit,andtheninsertthejackintothecomputer.The
batterywillchargeinabout3to6hours.Thisisaffectedbythebatterysizeandthephysicalenvironment.
Thebatterystatusindicatorwillletyouknowthatthebatteryischarging,andwillalsonotifyyouwhenthe
batteryisfullycharged.
Note:Toincreasethelifeofthebattery,thecomputerdoesnotstartrechargingthebatteryiftheremaining
powerisgreaterthan95%.
Maximizingbatterylife
Tomaximizethelifeofthebattery,dothefollowing:
•Usethebatteryuntilthechargeiscompletelydepleted-untilthebatterystatusindicatorstartsblinking
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”onpage20
.
36UserGuide