dynabook SATELLITE PRO C50-H - Main Battery; Battery Charging Control; Table 1-2 Battery Specifications

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SATELLITE PRO C50-H, SATELLITE C50-H Maintenance Manual
5. External interface
 Performs communication through the SMBUS (via the internal EC/KBC).
 Transfers the power supply operation mode.
6. Output monitor
 Monitors the voltage, over voltage, input/output current of the battery pack.
 Monitors the internal temperature of the battery pack.
1.5 Batteries
The computer has the following type of battery:
 Main Battery Pack
Table 1-2 list the specifications of battery.
Table 1-2 Battery Specifications
Battery Type
Material
Output voltage
Capacity
Main Battery Pack
2 Cell
Lithium Ion
7.6 V
6000 mAh
1.51 Main Battery
The main battery pack serves as the computer's main power source when the
AC adapter is not attached. The main battery maintains the state of the computer
so that it can resume it.
1.52 Battery Charging Control
Battery charging is controlled by TI BQ24780S. When AC adapter and battery
pack are attached to the computer, BQ24780S controls the charge on/off state
and detects a full charge.