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1.10 Batteries 1 Hardware Overview
1.8 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- 5 Battery specifications
Battery name Material Output voltage Capacity
8 Cell Lithium Ion 14.8 V 4300 mAh
Main battery pack
12 Cell Lithium Ion 14.8 V 6450 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.
Satellite A60/ Pro A60 Maintenance Manual 1-19