Toshiba PORTG R300 User Manual

Page of 352
 
1  Hardware Overview 
PORTÉGÉ R300 Maintenance Manual (960-591) 
[CONFIDENTIAL] 
1-21 
1.7 Batteries 
The computer has two types of batteries as follows: 
‰ 
Main battery 
‰ 
Real Time Clock (RTC) battery 
The battery specifications are listed in Table 1-5. 
Table 1-5  Battery specifications 
Battery name 
Material
Output 
voltage 
Capacity 
G71C00071110/210 
Li-Ion 
10.8 V 
7,650mAh  
Main battery   
G71C0006V110/210 
Li-Ion 
10.8 V 
5,100mAh  
RTC battery 
GDM710000041  
Ni-MH 
2.4 V 
 
15mAh 
1.7.1 Main 
Battery 
The removable main battery pack is the computer’s main power source when the AC adaptor 
is not attached. The main battery maintains the state of the computer when the computer 
enters in resume mode. 
‰  Battery Charge 
When the AC adapter is connected, normal charging is used while the system is turned on 
and quick charge is used while the system is turned off. Table 1-6 lists the charging time 
required for charges. 
Table 1-6 Time required for charges 
Battery type 
Power on (hours) Power 
off 
(hours) 
Main battery (7,650 mAh) 
About 6.5 to 21.0  
About 4.0  
Main battery (5,100 mAh) 
About 4.5 to 14.0  
About 3.0