Lenovo V340 - Checking Operational Charging; Checking The Battery Pack

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V340-17IWL Hardware Maintenance Manual
Checking operational charging
Tocheck whetherthe batterychargesproperlyduringoperation,usea
dischargedbattery packorabatterypackthathaslessthan50%of thetotal
powerremainingwheninstalledinthecomputer.
Performoperationalcharging.Ifthe batterystatusindicatororicondoesnot
lighton,removethebatterypackandletitreturntoroomtemperature.Reinstall
thebatterypack.Ifthechargeindicator oriconisstillo󰀨,replacethebattery
pack.
Ifthechargeindicator stilldoes notlight on,replace thesystemboard.Then
reinstallthebatterypack.Ifitisstillnotcharged,gotothenextsection.
Checking the battery pack
BatterychargingdoesnotstartuntilthePowerMetershowsthatlessthan95%
ofthetotalpowerremains;underthisconditionthebatterypackcanchargeto
100%ofitscapacity.Thisprotectsthebatterypackfrombeingoverchargedor
fromhavingashortenedlife.
Tocheckyourbattery,moveyourcursorto thePowerMetericonintheicon
trayoftheWindows
®
taskbarandwaitforamoment(butdonotclickit),andthe
percentageofbatterypowerremainingisdisplayed.Togetdetailedinformation
aboutthebattery,double-clickthePowerMetericon.
Note:Ifthebatterypackbecomeshot, itmay notbeabletobecharged.
Removeitfromthecomputerandleaveitatroomtemperatureforawhile.After
itcoolsdown,reinstallandrechargeit.