18.5V 3.5A 7.4 x 5.0mm LAPTOP AC ADAPTER Cq32 Cq40 Cq42 Cq45 Cq50 Cq56 Cq57 Cq58 Cq60 Cq61 Cq62 Cq70 Cq71 Cq72 series HP Probook 4430s 4440s 4520s 4530s 4540s 6360b 6460b 6470b 6550b 6560b 6570b Hp Compaq Presario Cq40 Cq45 Cq50 Cq56 Cq57 Cq58 Cq60 Cq61 Cq62 Cq70 Cq71 Cq7