Battery Dead problems of the 2012 Infiniti QX56

The contact owns a 2012 Infiniti Qx56. The contact stated that the battery failed prematurely. The vehicle was taken to an unknow dealer, and an independent mechanic, to have a diagnostic performed. The diagnostic test was unable to locate a failure code therefore, the battery was replaced several times. The vehicle was taken back to the unknown dealer and the contact was informed that the battery failure could be caused by parasitic drain or a relay failure. The failure recurred several times. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 83,000.