Toshiba T4900CT Manual page 15

1.8 Batteries
The T4900CT has three types of batteries:
Main battery pack
Backup battery
Real Time Clock (RTC) battery
These batteries' specifications are described in table 1-6.
Battery name
Main battery Nickel Metal Hydride
Backup battery Nickel Metal Hydride
RTC battery Lithium-Vanadium
1.8.1 Main Battery
The removable main battery pack is the computer's main power source when the AC adapter
is not attached. The backup and main battery maintain the state of the computer when you
enable AutoResume.
T4900CT
Table 1-6 Batteries' specifications
Material Output voltage
12 V
7.2 V
3.0 V
Capacity
2,600 mAh
35 mAh
50 mAh
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