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1 Hardware Overview 1.6 Batteries
1.6 Batteries
The PC has the following two batteries.
❑ Main battery
❑ Real time clock (RTC) battery
Table 1-6 lists the specifications for these two batteries.
Table 1-6 Battery specifications
Battery Name Battery Element Output Voltage Capacity
Main battery (XM2043P02) Lithium ion 10.8V 1600mAh
Real time clock (RTC) battery Nickel hydride 2.4 V 15 mAh
1.6.1 Main Battery
The main battery is the primary power supply for the computer when the AC adapter is not
connected. In resume (instant recovery) mode, the main battery maintains the current status
of the computer.
1-16 PORTEGE R100 Maintenance Manual (960-440)