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2.1 Batteries 1 Hardware Overview
Equium A60/Satellite A60/ Pro A60/A65 Maintenance Manual 1-22
2.1 Batteries
The computer has the following three types of batteries:
? Main battery pack
? Real time clock (RTC) battery
Table 1-5 lists the specifications of these batteries.
Table 1- 8 Battery specifications
Battery name Material Output voltage Capacity
Main battery pack 8 Cell Lithium Ion 14.8 V 4300 mAh
RTC battery Lithium Ion 3.0 V 7 mAh
1.1.1 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.
1.1.2 Battery Charging Control
Battery charging is controlled by LPC 47N249. When the AC adapter and battery pack are
attached to the computer, the LPC 47N249 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- 9 Quick/normal charging time
State Charge time
Off-state charge 8 Cell About 4 hours
On-state charge 8 Cell About 8 hours or longer