Apple Mac Pro Mac Pro Specifications download pdf (Page 30)

30 Chapter 2 Life with Your MacBook Pro

Using the MacBook Pro Battery

WhentheMagSafepoweradapterisn’tconnected,yourMacBookProdrawspower

fromitsbuilt-inbattery.ThelengthoftimethatyoucanrunyourMacBookProvaries,

dependingontheapplicationsyouuseandtheexternaldevicesconnectedtoyour

MacBookPro.

TurningofeaturessuchasWi-FiorBluetooth®wirelesstechnologyandreducing

screenbrightnesscanhelpconservebatterycharge,forexample,whenyou’retraveling

byair.Manyofyoursystempreferencesareautomaticallysettooptimizebatterylife.

Youcandeterminethechargeremaininginthebatterybylookingattheeightbattery

levelindicatorlightsontheleftsideofyourMacBookPro.Pressthebuttonnexttothe

lights,andthelightsglowbrieytoshowhowmuchchargeremainsinthebattery.

Important: Ifonlyoneindicatorlightison,verylittlechargeisleft.Ifnolightsareon,

thebatteryiscompletelydrainedandtheMacBookProwon’tstartupunlessthepower

adapterisconnected.Pluginthepoweradaptertoletthebatteryrecharge.Formore

informationaboutbatteryindicatorlights,seepage54.

Youcanalsochecktheamountofbatterychargeremaining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’re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.

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Apple Mac Pro Mac Pro Specifications Page 30