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Error! Style not defined. Error! Style not defined. 1 Hardware Overview
Satellite A500D Maintenance Manual 1-17
NOTE: The time required for normal charge depends on the power consumption by the
system. Using a fluorescent lamp and frequently accessing the disk consumes more power and
lengthen the charge time.
Any of the following can stop battery charge:
1. The battery becomes fully charged.
2. The AC adapter or battery pack is removed.
3. The battery or AC adapter voltage is abnormal.
Detection of full charge
A full charge is detected only when the battery is being charged by quick or normal charge.
A full charge is detected when either of the following conditions is met:
1. The current in the battery charging circuit drops below the predetermined value.
2. The charging time exceeds the fixed limit.
1.5.3 RTC Battery
The RTC battery provides power to m
aintain the current date, time and other system information
in memory while the computer is turned off.