Batteries; Main Battery; Battery Charging Control; Table 1-3 Quick/Normal Charging Time - Toshiba Qosmio F50 Maintenance Manual

1 Hardware Overview
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1.5

Batteries

The computer has the following two types of batteries:
Main Battery Pack
Real Time Clock (RTC) Battery
1.5.1

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 so that it can resume it.
1.5.2

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.
Off-State Charge
On-State Charge
Qosmio F50 Maintenance Manual
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Table 1-3 Quick/Normal Charging Time
State
4/8 Cell
4/8 Cell
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Charge Time
About 4 hours max
About 12 hours max
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