Product details of HP Compaq Adapter 19V/4.74A (7.4*5.0mm) หัวเข็ม (Black) HP Compaq Adapter 19V/4.74A (7.4*5.0mm) หัวเข็ม (Black) Product Details :- - Model : Adapter Notebook Hp/Compaq - Input : 100-240V ~ 50/60Hz - Output : 19V / 4.62A (90W) - Jack Size : 7.4 X 5.0Mm (หัวเข็ม)