Toshiba S2 Manual Do Utilizador

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1.6  Batteries 
1  Hardware Overview 
Tecra A3/S2 Series Maintenance Manual 
1-21 
1.6  Batteries 
The computer has two types of battery: 
 
?  Main battery pack (18650 size) 
?  RTC battery 
The removable main battery pack is the computer’s main power source when the AC adaptor is 
not attached. 
 
The battery specifications are listed in  the table below. 
Battery name 
Material 
Output voltage 
Capacity 
Main battery 
Lithium-Ion 
14.8 V 
6450mAH/ 
4300mAH 
RTC battery 
Lithium 
3 V 
14 mAH/15 mAH 
 
1.6.1   Main Battery 
Battery charging is controlled by a power supply microprocessor that is mounted on the system 
board. The power supply microprocessor controls whether the charge is on or off and detects a 
full charge when the AC adaptor and battery are attached to the computer.  The system charges 
the battery using quick charge or trickle charge. 
 
?  Quick Battery Charge 
When the AC adaptor is attached, there are two types of quick charge: quick charge when 
the system is powered off and normal charge when the system is powered on.   
 
The times required for charges are listed in  the table below. 
 
Status 
Charging time 
Normal charge (power on) 
12 hours or longer 
Quick charge (power off) 
About 4 hours