Toshiba PSAGBX Manual Do Utilizador

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5B1.6 Batteries 
1  Hardware Overview 
Satellite A300/Satellite Pro A300/EQUIUM A300/SATEGO A300    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 voltage 
Capacity 
3 Cell 
Lithium Ion 
10.8 V 
2000 mAh 
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 775C.  When the AC adapter and 
battery pack are attached to the computer, the 775C 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.