... charger replacement for HP Compaq Presario CQ40 CQ45-100 , Model 18.5V 3.5A Big pin 7.4*5.0mm Size ... charger replacement for HP Compaq Presario CQ40 CQ45-100 , Model 18.5V 3.5A Big pin 7.4*5.0mm Size ... charger replacement for HP Compaq Presario CQ40 CQ45-100 , Model 18.5V 3.5A Big pin 7.4*5.0mm Size ...