Apple MacBook Air (11-inch, Late 2010) User Manual download pdf (Page 34)

34 Chapter 2 Life with Your MacBook Air

Running Your MacBook Air on Battery Power

WhentheMagSafePowerAdapterisn’tconnected,yourMacBookAirdrawspower

fromitsbuilt-inrechargeablebattery.Thelengthoftimethatyoucanrunyour

MacBookAirvaries,dependingontheapplicationsyouuseandtheexternaldevices

connectedtoyourMacBookAir.

TurningofeaturessuchasAirPortExtremeorBluetooth®wirelesstechnologyand

reducingscreenbrightnesscanhelpconservebatterycharge.Manyofyoursystem

preferencesareautomaticallysettooptimizebatterylife.

Charging the Battery

Youcandeterminewhetherthebatteryneedstobechargedbylookingatthe

indicatorlightontheMagSafeconnector.Ifthelightisglowingamber,thebattery

needstobecharged.Ifthelightisglowinggreen,thebatteryisfullycharged.

YoucanalsochecktheamountofbatterychargeleftbyviewingtheBattery( )

statusiconinthemenubar.Thebatterychargeleveldisplayedisbasedonthe

amountofpowerleftinthebatterywiththeapplications,peripheraldevices,and

systemsettingsyouarecurrentlyusing.Toconservebatterypower,closeapplications

anddisconnectperipheraldevicesnotinuse,andadjustyourEnergySaversettings.

Formoreinformationaboutbatteryconservationandperformancetips,goto

www.apple.com/batteries/notebooks.html.

WhenthepoweradapterthatcamewithyourMacBookAirisconnected,thebattery

rechargeswhetherthecomputerison,o,orinsleep.Thebatteryrechargesmore

quickly,however,whenthecomputerisoorinsleep.

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Apple MacBook Air (11-inch, Late 2010) User Manual Page 34