Toshiba Satellite L300D - Batteries; Main Battery; Battery Charging Control; Table 1-4 Battery Specifications

1.6PowerSupply 1HardwareOverview
SatelliteL300D/L305D/SatelliteProL300D/EQUIUML300D/SATEGOL300DMaintenanceManual 21
1.7Batteries
Thecomputerhasthefollowingfourtypesofbatteries:
 MainBatteryPack
 RealTimeClock(RTC)Battery
Table1-4liststhespecificationsofthesebatteries.
Table1-4BatterySpecifications
Battery Type Material
Output
Voltage
Capacity
MainBatteryPack
3 Cell Lithium Ion 10.8 V 2000 mAh
6 Cell Lithium Ion 10.8 V 4000 mAh
9 Cell Lithium Ion 10.8 V 6000 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WPCE775L.WhenACadapterandbattery
packareattached to the computer, the WPCE775L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.
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