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1 Hardware Overview 1.12 Batteries
1-36 TECRA M1 Maintenance Manual (960-436)
1.12.3 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. Table 1-12 lists the charging time and data preservation
period of the RTC battery.
Table 1-12 RTC battery charging/data preservation time
Status Time
Charging Time (power on) 15 hours
Data preservation period (full charge) 30 days