Toshiba Libretto 50CT, User Manual

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1 Hardware Overview 1.8 Batteries
Libretto 50CT/70CT Maintenance Manual 1-15
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.
Table 1-7 Battery specifications
Battery name Material Output voltage Capacity
Main battery pack Lithium-Ion 10.8 V 1,200 mAh
RTC battery Nickel Metal Hydride 2.4 V 11 mAh
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 The battery is being charged. (Universal AC Adapter connected)
Green The battery is full charged. (Universal AC Adapter connected)
Blinking orange The battery is low when the power is on.
No light Under any other conditions, the LED does not 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.