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1 Hardware Overview
PORTEGE M780 Maintenance Manual (960-809) [CONFIDENTIAL] 1-29
1.9 Batteries
The computer has three types of batteries as follows:
Main battery pack
RTC battery
The battery specifications are listed in Table 1-7.
Table 1-7 Battery specifications
Battery name Material Output
voltage
Capacity
Main battery
G71C0007M510
G71C0007ME10
G71C0007MD10WW
G71C0007MC10JP
Lithium-Ion 10.8 V
51Wh, 6 cell
Slice Expansion
Battery
G71C0006K110
71C0006K710
G71C0006K810
G71C0006K910
Lithium-Ion 10.8 V 44Wh, 6 cell
RTC battery GDM710000041 NiMH 2.4 V 16 mAh
1.9.1 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 in sleep mode.