Replacement 65W AC Laptop Adapter for HP ProBook 4516s 4520s 4525s 4530s 4710s 4720s 4730s 5310m 5320m 5330m 6440b 6445b 6450b 6455b 6460b 6540b 6545b 6550b 6555b 6560b Power Supply Cord Charger