Toshiba QOSMIO G20 - page 36

1.8 Batteries 1 Hardware Overview
1.8.3 RTC Battery
The RTC battery provides the power supply to maintain the date, time, and other system
information in memory.
Table 1-15 lists the Time required for charges of RTC battery and data preservation time.
Table 1-11 Time required for charges of RTC battery
Condition Time
Power ON (Lights Power LED) About 8 hours
Data preservation tome (Full-charged) About 30 days
1-22 [CONFIDENTIAL] QOSMIO G20 Maintenance Manual (960-511)