Toshiba SATELLITE E105 manual 5B1.6 Batteries Hardware Overview, Main Battery

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

Main Battery Pack 8 Cell Lithium Ion 10.8 V

Capacity

5200 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 E100/E105 Maintenance Manual 17