Lenovo ThinkPad Edge E220s - Charging the Battery; Maximizing Battery Life; Power-Saving Modes

–Ifthebatteryhasnotbeenusedforalongtime
Beforeyouchargethebattery,makesurethatitstemperatureisatleast10°C(50°F).
Chargingthebattery
Whenyoucheckbatterystatusandndthatthepercentageofpowerremainingisloworwhenthepower
alarmalertsyouthatremainingpowerislow,youneedtochargeyourbattery.
Ifanacoutletisconvenient,plugtheacpoweradapterintoit,andtheninsertthejackintothecomputer.The
batterywillchargeinabout3to6hours.Thisisaffectedbythebatterysizeandthephysicalenvironment.
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.
Power-savingmodes
Thereareseveralmodesthatyoucanuseatanytimetoconservepower.Thissectionintroduceseach
modeandgivestipsontheeffectiveuseofthebatterypower.
Introducingthepower-savingmodes
•Screenblank.Thecomputerdisplayrequiresconsiderablebatterypower.Toturnoffpowertothe
display,doasfollows:
1.Right-clickthePowerManagerBatteryGaugeinthetaskbar.
2.SelectPoweroffdisplay.
•Sleep(standbyinWindowsXP).Insleep(standby)mode,yourworkissavedtomemory,andthenthe
harddiskdriveorthesolidstatedriveandthecomputerdisplayareturnedoff.Whenyourcomputerwakes
up,yourworkisrestoredwithinseconds.Toputyourcomputerintosleep(standby)mode,doasfollows.
–ForWindows7:
1.ClickStart.
2.ClickthetrianglemarkontherightsideoftheShutdownicon;thenselectSleep.
–ForWindowsXP:
1.ClickStart.
2.ClickShutdown;thenselectStandby.
Toreturnfromsleep(standby)mode,presstheFnkey.
Chapter2.Usingyourcomputer33