Data Preservation Time - Toshiba Tecra A8 Maintenance Manual

1.7 Batteries
Charge is stopped in the following cases.
1. The main battery is fully charged.
2. The main battery is removed.
3. Main battery or AC adapter voltage is abnormal.
4. Charging current is abnormal.

Data preservation time

When turning off the power in being charged fully, the preservation time is as following
Table 1-11.
Battery type
Main battery (3,600 mAh)
Main battery (4,700 mAh)
1.7.2 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 1-12 lists the charging time and data
preservation period of the RTC battery.
Table 1-12 RTC battery charging/data preservation time
Charging Time (power on)
Data preservation period (full charge)
TECRA A8 /Satellite Pro A120 Maintenance Manual (960-573)
Table 1-11 Data preservation time
Standby mode
5 days
6 days
Status
1 Hardware Overview
Boot mode
65 days
80 days
Time
8 hours
30 days
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