Sam Altman-backed Humane Inc. has advised its customers to discontinue using the charging case of its Ai Pin device due to a potential fire hazard. What Happened: The company, founded by former Apple executives Imran Chaudhri and Bethany Bongiorno, has identified a “quality issue” with the battery inside the case, which is used for charging the Ai Pin on the go. This issue was brought to light after a single report of charging problems with the device, which was launched earlier this year, said the company in a statement posted on its website on Wednesday. “Out of an abundance of caution, we a…