Batteries; Main Battery; Battery Charging Control; Table 1- 7 Battery Specifications - Toshiba Satellite M45 Maintenance Manual
Personal computer
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Also See for Satellite M45:
- User manual (240 pages) ,
- Resource manual (68 pages) ,
- Owner's manual (48 pages)
Table of Contents
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1 Hardware Overview
2.0 Batteries
The computer has the following three types of batteries:
Main battery pack
Real time clock (RTC) battery
Table 1-7 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- 7 Battery specifications
Material
6 Cell
Lithium Ion
12 Cell
Lithium Ion
Lithium Ion
Satellite M40/M45 TECRA A4 dynabook Vx/4 Maintenance Manual
2.0 Batteries
Output voltage
Capacity
10.8 V
4300 mAh
10.8 V
8600 mAh
3.0 V
7 mAh
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