1 Hardware Overview
TECRA S3 Maintenance Manual (960-532) [CONFIDENTIAL] 1-21
1.7.2 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 lists the charging time and data
preservation period of the RTC battery.
Table 1-9 RTC battery charging/data preservation time
Status Time
Charging Time (power on) 8 hours
Data preservation period (full charge) 30 days