BAD customer service and impossible to speak with anyone at ultrabook parts! I ordered 2 Sony vaio adapters last July which took nearly a month to arrive. They do work but are not genuine and one of them recently blew up! I have asked the company to refund several times but they want me to send their faulty product back and pay an additional £20 to receive another which I do not want. Please don't waste your time or money ordering from these cow boys!