Lenovo 3000 Series, Y400 Series 1.3.3Batteryinitialization

Lenovo Notebook Computer User Guide
indicatorlocatedinfrontofthecomputer.
Hint:Nomatterwhetherthebatteryisinstalledinthe
computerornot,italwaysperformsself‐discharge.(About
1%aday)
Ifthebatteryhasnotbeenusedforalongtime,itmighthaveno
powerbecauseofself‐discharge.Thisistheinherentfeatureof
lithium‐ionbattery.Youshouldusetheexternalpowersourceor
rechargethebattery.
Ifyoustillcannotturnonthecomputer(thebatteryindicatoralso
doesn’tflash),itmeansthebatteryisinself‐protectionstate.Charge
thebatteryfor2~4hourstoactivatethebattery.Turnonthe
computeragainwhenthebatteryindicatorflashes.
Hint:Ifyoudonotplanonusingthecomputerforalong
time,removethebatterypackandstoreitseparately.
Note:Chargeanddischargethebatteryatleastonceevery
threemonthstoavoidthebatterymalfunctionsby
over‐discharge.
1.3.3Batteryinitialization
Afterusingthebatteryforalongtime,thebattery’soperatingtime
ismuchshorterthanthefirstuse.Thereasonisthatthelithium‐ion
batterymemoryisaffected.Completethebatteryinitialization
processtoerasetheaffectedpartofthebatterymemory.
Thebatteryinitializationistheprocessoffully‐chargingthebattery,
fully‐dischargingthebatteryandfully‐chargingitagain.Complete
thefollowingstepstoperformthebatteryinitializationprocess:
¾ Makesurethecomputerhasbeenturnedoff;connectthe
computertoanexternalpowersourcetochargethebattery.
23
¾ Turn onthecomputerwhenthebatteryisfully‐charged.Press