Main Battery - Toshiba T4500 User Manual

1.9 Batteries
The T4500/T4600 Family has three types of batteries:
Main battery pack
Backup battery
Real Time Clock (RTC) battery
Specifications for these batteries are listed in Table 1-8.
Battery name
Main
Battery T4500
T4500C,
T4600, T4600C
Backup battery
RTC battery
1.9.1

Main Battery

The removable main battery pack is the computer's main power source when the AC adapter is not
attached. The main battery recharges the backup battery when the system's power is on. The
backup and main battery maintain the state of the computer when you enable AutoResume, and
they maintain the information in Hard RAM.
The main battery is shown in Figure 1-11.
Table 1-8 Battery Specifications
Material
Nickel Cadmium
Nickel Metal Hydride
Nickel Metal Hydride
Lithium-Vanadium
Figure 1-11 Main Battery
Output voltage
9.6 V 2,400 mAH
9.6 V
1.2 V 1,100 mAH
3.0 V
Capacity
3,000mAH
50 mAH
1-19