Toshiba T3400CT - RTC Battery Function

T3400/T3400CT Maintenance Manual
1-17
Table 1-10 Backup Battery Charging/Data Preservation Time
Backup Battery Time
Charging Time Power On 3 Hours
Power Off (with AC Adapter) Doesn’t charge
Power Off (Without AC Adapter) Doesn’t charge
Data preservation period (full charge) 8 Hours
1.9.4 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 1-11 shows the charging time and data
preservation period of the RTC battery.
Table 1-11 RTC Battery Charging/Data Preservation Time
RTC Battery Time
Charging Time Power On 48 Hours
Power Off Doesn’t charge
Data preservation period (full charge) 1 month