Batteries; Main Battery Pack; Battery Charging Control - Toshiba Libretto 50CT User Manual

1 Hardware Overview
1.8

Batteries

The computer has two types of batteries:
q Main battery pack
q RTC battery
Battery specifications are listed in Table 1-7.
Battery name

Main battery pack

RTC battery
1.8.1 Main Battery Pack
The removable main battery pack is the computer's main power source when the Universal
AC Adapter is not connected. The main battery pack maintains the state of the computer
when the computer enters into hibernation mode.
1.8.2 Battery Icon
The icon color shows the status of the removable battery pack. Each color indicates:
Orange
Green
Blinking orange
No light
1.8.3

Battery Charging Control

A power supply microprocessor mounted on the system board controls whether the battery
charge is on or off and also detects a full charge when the Universal AC Adapter and battery
are connected to the computer. The system charges the battery using quick charge or trickle
charge.
q Quick Battery Charge
The battery quick charges when the Universal AC Adapter is connected and the
system is powered off or in stand-by mode.
Libretto 50CT/70CT Maintenance Manual
Table 1-7 Battery specifications
Material
Lithium-Ion
Nickel Metal Hydride
The battery is being charged. (Universal AC Adapter connected)
The battery is full charged. (Universal AC Adapter connected)
The battery is low when the power is on.
Under any other conditions, the LED does not light.
Output voltage
10.8 V
2.4 V

1.8 Batteries

Capacity
1,200 mAh
11 mAh
1-15