Humane is telling AI Pin owners today that they should “immediately” stop using the charging case that came with its AI gadget. There are issues with a third-party battery cell that “may pose a fire safety risk,” the company wrote in an email to customers (including The Verge’s David Pierce, who reviewed it when it came out).Humane says it has “disqualified” that vendor and is moving to find another supplier. It also specified that the AI Pin itself, the magnetic Battery Booster, and its chargin...