Chatper 1 Hardware Overview
32 Satellite L20 Maintenance Manual (960-Q01 )
1.8 Batteries The PC has the following two batteries.
θ Main battery
θ Real time clock (RTC) battery
Table 1-12 lists the specifications for these two batteries.
Table 1-10 Battery specifications
Battery Name Battery Element Output Voltage Capacity
Panasonic
CGR-B/8B9BE
8 Cells
4,300mAh
Sanyo
8 cell
14.4V
4200-4400mAh
Panasonic
CGR-B/438
4 cells
14.4V 2,150-2250mAh
Main battery
Sanyo
4 Cells
Lithium ion
14.4V 1900-2000mAh
Real time clock
(RTC) battery ML1220EI2 Nickel hydrogen 3V 14mAh
1.8.1 Main Battery
The main battery is the primary power supply for the computer when the AC adapter is not
connected. In Standby, the main battery maintains the current status of the computer.