Rtc Battery; Table 1-9 Rtc Battery Charging/Data Preservation Time - Toshiba Portege M100 Maintenance Manual

1 Hardware Overview
q Detection of full charge
A full charge is detected when the battery is charging at charge, and under any of the
following conditions:
1. The battery charging current drops under the predetermined limit.
2. The charging time exceeds the limit.
3. The battery's temperature is over 60°C.

1.8.4 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 1-9 lists the charging time and data
preservation period of the RTC battery. The RTC battery is charged by the adapter or main
battery, while the computer is powered on.

Table 1-9 RTC battery charging/data preservation time

Charging Time (power on)
Data preservation period (full charge)
1-20
Status
PORTEGE M100 Maintenance Manual (960-452)
1.8 Batteries
Time
8 hours
1 month