1 Hardware Overview
1-18
[CONFIDENTIAL]
PORTEGE R400 Maintenance Manual (960-623)
1.6 Batteries
The computer has three types of batteries as follows:
Main battery
2nd Battery
Real Time Clock (RTC) battery
The battery specifications are listed in Table 1-5.
Table 1-4 Battery specifications
Battery name
Material
Output
voltage
Capacity
Main battery G71C0006W110/210
Li-Ion
10.8 V
4,000mAh
2nd Battery
G71C00079110/210
Li-Ion
10.8 V
4,000mAh
RTC battery
GDM710000041
Ni-MH
2.4 V
15mAh
1.6.1
Main Battery/ 2nd Battery
The removable main battery or 2nd 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 1-5 Time required for charges
Battery type
Power on
(hours)
Power
off
(hours)
Main battery (4,000mAh)
About 3.5 to 4.0
About 3.5
2nd Battery (4,000mAh)
About 3.5 to 4.0
About 3.5
Summary of Contents for Portege R400 Series
Page 10: ...x CONFIDENTIAL PORTÉGÉ R400 Maintenance Manual 960 623 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 12: ...1 ii CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Page 35: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 36: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Page 106: ...2 Troubleshooting Procedures 2 68 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Page 107: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 108: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 3 ...
Page 112: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Page 214: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Page 215: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORTÉGÉ R400 Maintenance Manual 960 623 4 ...
Page 219: ...4 Replacement Procedures 4 vi CONFIDENTIAL PORTÉGÉ R400 Maintenance Manual 960 623 ...
Page 294: ... CONFIDENTIAL Appendices ...
Page 295: ...Appendices App ii CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Page 303: ...Appendices App x CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Page 321: ...Appendices Appendix B Board Layout B 12 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Page 359: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Page 369: ...Appendices Appendix I Reliability 2 CONFIDENTIAL PORTEGE R4000 Maintenance Manual 960 623 ...