Battery charger trigger a fire. It's BMW genuine DELPHI which comes with car. after charging my car, I unplug it from my car and put on top of plastic ice box before left my garage. Once i'm back to home there was a fire inside of garage. Fire started from battery charger head and it melt plastic ice box and spread to upside of drywall & shelve of garage. there was no damage power cable & plug part of charger.