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1.9 Batteries 1 Hardware Overview
Satellite Pro M10 Series Maintenance Manual (960-431) 1-25
Detection of full charge
A full charge is detected when the battery is charging, 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 exceeds 60°C.
1.9.4 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 adapter or main battery charges the RTC battery,
while the computer is powered on.
Table 1-9 RTC battery charging/data preservation time
Status Time
Charging Time (power on) 8 hours or longer
Data preservation period (full charge) 1 month or longer