1 Hardware Overview
Satellite A660/Pro A660 Maintenance Manual
1-16
1.6
Batteries
The computer has the following two types of batteries:
Main Battery Pack
Real Time Clock (RTC) Battery
1.6.1
Main Battery
The main battery pack serves as the computer's main power source when the AC adapter is not
attached. The main battery maintains the state of the computer when the AC adapter is detached.
1.6.2
Battery Charging Control
Battery charging is controlled by EC KB926. When the AC adapter and battery pack are attached
to the computer, the EC KB926 controls the charge on/off state and detects a full charge.
Battery Charge
When the AC adapter is attached, the battery is charged by off-state charge when the system
is powered off or by on-state charge when it is powered on.
Table 1-4
Quick/Normal Charging Time
State
Charge Time
Off-State Charge
3, 6 or 12 Cell
4 hours max
On-State Charge
3, 6 or 12 Cell
12 hours max
Summary of Contents for A660-BT3G25X
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Page 24: ...1 Hardware Overview Satellite A660 Pro A660 Maintenance Manual 1 7 ...
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Page 80: ...2Troubleshooting Procedures SatelliteA660 ProA660 Series Maintenance Manual 46 ...
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Page 134: ...3 Tests and Diagnostics SatelliteA660 ProA660 Series Maintenance Manual 14 ...
Page 298: ...SatelliteA660 ProA660 Series Maintenance Manual E17 Figure LA keyboard ...