HP Compaq Laptop Power Supply 18.5/19volt 7.4×5.0mm plug with centre pin

Compaq Presario CQ35 TO CQ71 SERIESHP ProBook 4000 SERIESHP Mini 2140 Notebook PCHP Mini 5101HP 2533t Mobile Thin ClientHP 4410t Mobile Thin ClientHP 530 550HP Compaq 2510p 6000 series, 8000 seriesHP Compaq NC seriesHP EliteBook SERIESHP G50 G60 G61 G70 G71HP HDX16 Premium Notebook PC seriesHP Pavilion DV3,DV4,DV5,DV6,DV7