1-20
710CDT/720CDT
1.10.2
Backup Battery
The backup battery maintains data for AutoResume. The power source used to back up the
AutoResume data is determined by the following priority:
AC adapter > Main battery > Backup battery
The backup battery is charged by the main battery or AC adapter. Table 1-11 lists the charging
time and data preservation period of the backup battery.
Table 1-11 Backup battery charging/data preservation time
Status
Time
Charging Time
7 hours with AC adapter
14 hours without AC adapter
Data preservation period (full charge)
2 hours
1.10.3
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 preser-
vation period for the RTC battery.
Table 1-12 RTC battery charging/data preservation time
Status
Time
Charging Time (Power On)
40 hours
Data preservation period (full charge)
1 month
Summary of Contents for Tecra 710CDT
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