Batteries; Main Battery; Battery Charging Control; Table 1- 5 Battery Specifications - Toshiba Satellite A105-S4547 Maintenance Manual

1 Hardware Overview

1.8 Batteries

The computer has the following three types of batteries:
? Main battery pack
? Real time clock (RTC) battery
Table 1-5 lists the specifications of these batteries.
Battery name
Main battery pack
RTC battery
1.1.1

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.
1.1.2

Battery Charging Control

Battery charging is controlled by LPC 47N249. When the AC adapter and battery pack are
attached to the computer, the LPC 47N249 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.
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Table 1- 5 Battery specifications

Material
6 Cell Lithium Ion
9 Cell Lithium Ion
12 Cell Lithium Ion
Lithium Ion
Satellite A100/A105 / TECRA A7 Maintenance Manual
1.8 Batteries
Output voltage Capacity
10.8 V 4000 mAh
10.8 V 6000 mAh
10.8 V 8600 mAh
3.0 V 14 mAh