It is a mystery why certain models a new power supply is to purchase from time to time, after the old has given up his mind. This at least is the no. 4, which may experience my robust HP laptop. It is interesting in any case that all models were mixed, although always touted as HP Original Accessories. Operate all do. Overflow time of the current model can naturally not be said. However, it is striking that here a little has been spared on materials and solidity. The connection cable to the computer out is in any case a lot thinner than its predecessor and also extremely "stiff" so that it does not adapt to a change of direction, but you have to manually readjust it to the socket.