Samsung’s PR disaster after recalling and replacing their Galaxy Note 7’s is all over the news. The blocking of the phone by the company is going to cost it money and users. But bigger batteries have always caused these kind of issues.
The story of Boeing’s disaster with the batteries on the huge 787 planes come to mind. There was a series of battery explosions in 2013 on 787 Dreamliners . You can watch this documentary to know more.