Chapter 1 Hardware Overview
Satellite C800 and Satellite L800
Maintenance Manual (960-Q08)
27
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. Refer to the
following Table 1-13
Table 1-13 Time required for charges of main battery
Condition
Charging Time
Power On Charge
About 12 hours-
Power Off Charge
About 4 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
following Table 1-14.
Table 1-14 Data preservation time
Condition
preservation time
Standby
About 3 days
Hibernation
About 1 month
Battery
Pack
6 cell
Approximately 3 days(sleep mode)
3 cell
Approximately 1.5 days(sleep mode)
Approximately 1 month(shutdown mode,All type of battery pack
Summary of Contents for Satellite L800
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