1.6 Batteries 1 Hardware Overview
Satellite M40X Series Maintenance Manual [CONFIDENTIAL] 1-17
1.6 Batteries
The computer has two types of battery:
? Main battery pack (18650 size)
? RTC battery
The removable main battery pack is the computer’s main power source when the AC adaptor is
not attached.
The battery specifications are listed in the table below.
Battery name Material Output voltage Capacity
Main battery Lithium-Ion 14.8 V 4300mAH
RTC battery Lithium 3.3 V 15 mAh