I seen one similar a few years ago....will try and find it...here is the one review
Bought the Cypher heated vest in Oct of 2010. By Dec, it stopped working. I contacted Quiksilver, and true to their one year warranty, they sent me another. I used that one, but stopped when the water warmed up. This winter I started to use it again,... worked for awhile, but again it stopped working. I contacted Quiksilver again, but since it was over a year no one replied. I wasn't about to lay out another $200 bucks for a new one, when 2 failed. I decided to take it apart, and immediately found the problem. Both wires to the heating element were broken off. I was really surprised at how thin the 2 wires were. The designer obviously did not take into consideration the wear and tear the vest would take in normal use. (I did not abuse it at all, in fact, I was very careful handling it.) This is a great idea, but cheap manufacturing techniques makes it not ready for prime time. Save your money, until a new model, or other manufacturer comes out with something better Read moreLess