Toshiba 50CT User Guide - Page 29

The Main Battery Pack will trickle charge when the Universal AC Adapter is

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1.8 Batteries 1 Hardware Overview Table 1-8 Time required for quick charge Item Charging time Power off or standby About 4.5 hours If one of the following occurs, the Main Battery Pack quick charge process stops. 1. The Main Battery Pack becomes fully charged. 2. The Universal AC Adapter or Main Battery Pack is removed. 3. The Main Battery Pack or output voltage is abnormal. q Trickle Battery Charge The Main Battery Pack will trickle charge when the Universal AC Adapter is connected and the system is on or when the main battery pack becomes fully charged. The microprocessor automatically changes quick charge to trickle charge. 1.8.4 RTC battery The RTC battery provides power to keep the current date, time, and other setup information in memory while the computer is turned off. Table 1-9 shows the charging time and data preservation period of the RTC battery. Table 1-9 RTC battery charging/data preservation time Item Charging Time Data preservation period (full charge) Time 48 hours About 1 month 1-16 Libretto 50CT/70CT Maintenance Manual

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1.8
Batteries
1
Hardware Overview
1-16
Libretto 50CT/70CT Maintenance Manual
Table 1-8
Time required for quick charge
Item
Charging time
Power off or standby
About 4.5 hours
If one of the following occurs, the Main Battery Pack quick charge process stops.
1.
The Main Battery Pack becomes fully charged.
2.
The Universal AC Adapter or Main Battery Pack is removed.
3.
The Main Battery Pack or output voltage is abnormal.
q
Trickle Battery Charge
The Main Battery Pack will trickle charge when the Universal AC Adapter is
connected and the system is on or when the main battery pack becomes fully charged.
The microprocessor automatically changes quick charge to trickle charge.
1.8.4
RTC battery
The RTC battery provides power to keep the current date, time, and other setup information
in memory while the computer is turned off.
Table 1-9 shows the charging time and data
preservation period of the RTC battery.
Table 1-9
RTC battery charging/data preservation time
Item
Time
Charging Time
48 hours
Data preservation period (full charge)
About 1 month