Toshiba PSAG9X Manuale Utente
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.
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 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.
system is powered off or by on-state charge when it is powered on.