1.6Batteries1HardwareOverview
Satellite/SatelliteProL510/L515/L517MaintenanceManual 17
1.6Batteries
Thecomputerhasthefollowingthreetypesofbatteries:
MainBatteryPack
RealTimeClock(RTC)Battery
Table1-3liststhespecificationsofthesebatteries.
Table1-3Batteryspecifications
BatteryType Material Outputvo ltage Capacity
MainBatteryPack
6Cell LithiumIon 10.8V 4000mAh
12Cell LithiumIon 10.8V 9000mAh
RTCBattery LithiumIon 3.0V 14mAh
1.1.1 MainBattery
Themainbatterypackservesasthecomputer'smainpowersourcewhentheAC
adapterisnotattached.Themainbatterymaintainsthestateofthecomputersothatit
canresumeit.
1.1.2 BatteryChargingControl
BatterychargingiscontrolledbyWINBONDNPCE781LA0DX.WhentheAC
adapterandbatterypackareattachedtothecomputer,theNPCE781LA0DXcontrols
thechargeon/offstateanddetectsafullcharge.
BatteryCharge
WhentheACadapterisattached,thebatteryischargedbyoff-statechargewhenthe
systemispoweredofforbyon-statechargewhenitispoweredon.