1 Hardware Overview
1-30 [CONFIDENTIAL]
PORTEGE R830 Satellite R830
Series Maintenance Manual (960-880)
Data preservation time
When turning off the power in being charged fully, the preservation time is as
following Table 1-11.
Table 1-10 Data preservation time
Condition preservation
time
Standby
About 5 days Battery(66Wh, 6 cell)
Shutdown
About 115 days Battery(66Wh, 6 cell)
Standby
About 7 days (93Wh, 9 cell)
Shutdown
About 165 days(93Wh, 9 cell)
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. Table 1-12 lists the charging time and data
preservation period of the RTC battery.
Table 1-11 RTC battery charging/data preservation time
Status Time
Charging Time (power on)
10 hours
Data preservation period (full charge)
30 days
