Toshiba PSAGFX 5B1.6 Batteries Hardware Overview, Main Battery, Battery Charging Control

5B1.6 Batteries 1 Hardware Overview

1.6 Batteries

The computer has the following three types of batteries:

‰Main Battery Pack

‰Real Time Clock (RTC) Battery

Table 1-3 lists the specifications of these batteries.

Table 1-3 Battery specifications

Battery Type		Material	Output voltage	Capacity
	3 Cell	Lithium Ion	10.8 V	2000 mAh
Main Battery Pack	6 Cell	Lithium Ion	10.8 V	4000 mAh
	9 Cell	Lithium Ion	10.8 V	6000 mAh

RTC Battery

Lithium Ion

3.0 V

14 mAh

1.1.1Main 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.

1.1.2Battery Charging Control

Battery charging is controlled by WINBOND 775C. When the AC adapter and battery pack are attached to the computer, the 775C controls the charge on/off state and detects a full charge.

‰Battery Charge

When the AC adapter is attached, the battery is charged by off-state charge when the system is powered off or by on-state charge when it is powered on.

Satellite A300/Satellite Pro A300/EQUIUM A300/SATEGO A300 Maintenance Manual 17