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1.4 DVD Super Multi (+-R Double Layer) 1 Hardware Overview
18 Satellite/Satellite Pro/C650/C655 Maintenance Manual
1.6 Batteries
The computer has the following 2 types of battery:
Main Battery Pack
Real Time Clock (RTC) Battery
Table 1-3 lists the specifications of these batteries.
Table 1-3 Battery Specifications
Battery Type Material Output voltage Capacity
Main Battery Pack
3 Cell Lithium Ion 10.8 V 2000 mAh
6 Cell Lithium Ion 10.8 V 4400 mAh
RTC Battery Lithium Ion 3.0 V 220 mAh
1.6.1
1.6.2
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.
Battery Charging Control
Battery charging is controlled by MAXIM MAX17435ETG+. When AC adapter and
battery pack are attached to the computer, MAX17435ETG+ 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