Toshiba PSLE9X User Manual

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1 Hardware Overview 
1.6 Power Supply 
22 
Satellite L350D/Satellite Pro L350D/EQUIUM L350D/SATEGO L350D     Maintenance Manual 
1.7 Batteries 
The computer has the following three 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 
6 Cell 
Lithium Ion 
10.8 V 
4000 mAh 
Main Battery Pack 
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.