Table 1-10 Rtc Battery Charging/Data Preservation Time - Toshiba satellite A20 series Maintenance Manual

1 Hardware Overview
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.

Table 1-10 RTC battery charging/data preservation time

Charging Time (power on)
Data preservation period (full charge)
1-30
Status
Satellite A20 Maintenance Manual (960-444)
1.10 Batteries
Time
About 8 hours
1 month