Toshiba Portege A600, Maintenance Manual, Page: 39 / 406

1.10 Batteries 1 Hardware Overview
PORTEGE A600 Maintenance Manual (960-710 [CONFIDENTIAL] 1-25
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Data preservation time
When turning off the power in being charged fully, the preservation time is as
following Table 1-9.
Table 1-9 Data preservation time
Condition preservation time
Standby About 2 days Battery(2,900 mAh)
Shutdown About 55 days Battery(2,900 mAh)
Standby About 5 days Battery(5,800 mAh)
Shutdown About 110 days Battery(5,800 mAh)
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 1-10 lists the charging time and data
preservation period of the RTC battery.
Table 1-10 RTC battery charging/data preservation time
Status Time
Charging Time (power on) 24 hours
Data preservation period (full charge) 30 days