Toshiba satellite a20 series User Manual
1 Hardware Overview
1.10 Batteries
1-30
Satellite A20 Maintenance Manual (960-444)
1.10.4 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. The adapter or main battery charges the RTC battery,
while the computer is powered on.
in memory while the computer is turned off. Table 1-10 lists the charging time and data
preservation period of the RTC battery. The adapter or main battery charges the RTC battery,
while the computer is powered on.
Table 1-10 RTC battery charging/data preservation time
Status Time
Charging Time (power on)
About 8 hours
Data preservation period (full charge)
1 month