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1 Hardware Overview 1.8 Batteries
1.8.2 Battery Charging Control
Battery charging is controlled by a power supply microprocessor. The power supply
microprocessor controls power supply and detects a full charge when the AC adaptor and
battery are connected to the computer.
❑ Battery Charge
When the AC adapter is connected, normal charging is used while the system is
turned on and quick charge is used while the system is turned off. (See Table 1-9)
Table 1-9 Time required for charges of main battery
Condition Charging Time
Normal charge About 4.0 to 12.0 hours
Quick charge About 3.0 hours
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
follows: (See Table 1-10)
Table 1-10 Data preservation time
Condition preservation time
Standby About 2 days
Shutdown, Hibernation About 15 days
QOSMIO F10 Maintenance Manual (960-498) 1-25