this cord lasted about three weeks before the wire inside broke free of the tip. I had to rip apart the plastic housing around the tip and solder the wires directly to the barrel connector. Then, I poured an epoxy housing around the tip in order to make it look somewhat attractive again. And I also extened the cord (from the transformer to the tip) as it was WAY too short. Now it works great, but I doubt most people would want to bother with any of this.