Not only did my "Die Hard" battery die within a year and a half of purchase, but the service department side-stepped the warranty by claiming that battery was still good; they said the car had some kind of electrical problem that they were not equipped to troubleshoot. Of course, when I went to the car dealer, they showed me that the battery was not able to hold a charge. After installing a new battery from the car dealer, the electrical problem magically disappeared. I had successfully purchased die-hard batteries for many, many... read full review »