Toshiba PORTEGE M300 Maintenance Manual page 41

1.9 Batteries
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 1-14 lists the charging time and data preservation
period of the RTC battery.
Power ON (Lights Power LED)
Data preservation tome (Full-charged)
PORTEGE M300 Maintenance Manual (960-504)
Table 1-14 RTC battery charging time
Condition
1 Hardware Overview
Time
About 8 hours
About 30 days
1-31