Error!UsetheHometabtoapply2tothetextthatyouwanttoappearhere.Error!Usethe
Hometabtoapply2tothetextthatyouwanttoappearhere. 1HardwareOverview
SatelliteL550MaintenanceManual 1-15
NOTE:Thetimerequiredfornormalchargedependsonthepowerconsumptionbythe
system.Usingafluorescentlampandfrequentlyaccessingthediskconsumesmorepowerand
lengthensthechargetime.
Anyofthefollowingcanstopsbatterycharge:
1. Thebatterybecomesfullycharged.
2. TheACadapterorbatterypackisremoved.
3. ThebatteryorACadaptervoltageisabnormal.
Detectionoffullcharge
Afullchargeisdetectedonlywhenthebatteryisbeingchargedbyquickornormalcharge.
Afullchargeisdetectedwheneitherofthefollowingconditionsismet:
1. Thecurrentinthebatterychargingcircuitdropsbelowthepredeterminedvalue.
2. Thechargingtimeexceedsthefixedlimit.
1.5.3RTCBattery
TheRTCbatteryprovidespowertokeepthecurrentdate,timeandothersysteminformationin
memorywhilethecomputeristurnedoff.