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1 Hardware Overview
1-22 [CONFIDENTIAL] Satellite M500/M505/M507 Maintenance Manual
1.8 Batteries
The computer has two types of batteries as follows:
Main battery pack
RTC battery
The battery specifications are listed in Table 1-6.
Table 1-6 Battery specifications
Battery name Material Output voltage Capacity
Main battery(6 cell) Lithium-Ion 10.8V 4000 mAh
Main battery(12cell) Lithium-Ion 10.8V 9000 mAh
RTC battery Lithium 3.0 V 18 mAh
1.8.1 Main Battery
The removable main battery pack is the computer’s main power source when the AC adaptor
is not attached. The main battery maintains the state of the computer when the computer
enters into resume mode.