1HardwareOverview 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.
SatelliteL500DMaintenanceManual 1-18
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.