What is CMOS battery
This battery allows the BIOS to maintain settings on the computer. These settings include recognizing hard drive settings�� USB on-board device settings and keeping your system clock on time. Usually�� the first visible sign that you need to replace the CMOS battery is that your laptop clock keeps losing time. A CMOS battery can last from three to five years.


Compatible with:

PORTEGE 4000 
PORTEGE 4000CT 
PORTEGE 4005 
PORTEGE  4010 
 
TECRA M1 
TECRA 9000 
TECRA 9100 
 
SATELLITE PRO 6000 14.1" LCD 
SATELLITE PRO 6000 15.0" LCD 
SATELLITE PRO 6100 14.1" LCD 
SATELLITE PRO 6100 15.0" LCD 
 
Replace Battery Model:CB18


Package : One pcs of Real Time Clock (RTC) CMOS Battery .