Toshiba 650CT Maintenance Manual page 18

Table 1-8 Backup battery charging/data preservation time
Charging Time
Data preservation period (full charge)
1.9.3 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. The RTC battery is charged by the main battery or
AC adapter. Table 1-9 shows the charging time and data preservation period of the RTC
battery.
Table 1-9 RTC battery charging/data preservation time
Status
Charging Time
Data preservation period (full charge)
1-18
Status Time
30 Hours: Power ON
40 Hours: Power OFF
1 Hour
Time
40 Hours
1 Month
650CT