Battery Charging Control; Table 1-8 Time Required For Quick Charges - Toshiba Portege M100 Maintenance Manual

1.8 Batteries

1.8.3 Battery Charging Control

Battery charging is controlled by a power supply microprocessor mounted on the system
board. The power supply microprocessor controls whether the charge is on or off and detects
a full charge when the AC adaptor and battery (both Main battery and 2
attached to the computer. The system charges the battery using quick charge or trickle charge.
q Battery Charge
When the AC adaptor is attached, battery Charge starts.
The times required for quick charges are listed in Table 1-8.
NOTE: The time required for quick charge when power is on is affected by the amount of
power the system is consuming. Use of the fluorescent lamp and frequent disk
access consumes power and lengthens the charge time.
If any of the following occurs, the battery charge process stops.
1. The battery becomes fully charged.
2. The AC adaptor or battery is removed.
3. The AC adaptor or battery voltage is abnormal
4. The charging current is abnormal.
PORTEGE M100 Maintenance Manual (960-452)

Table 1-8 Time required for quick charges

Status
Main Battery
Power off
Power on 4 to 12 hours or longer
Charging time
2.5 hours
4 to 12 hours or longer
1 Hardware Overview
nd
battery) are
nd
2 Battery
2.5 hours
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