After catching fire to its reputation, Humane is warning users that its charging case may also catch fire

If the wave of overwhelming negative reviews wasn’t enough, Humane appears to have discovered another major problem with its once-welcome AI pin. The company warns customers against using the device’s charging case due to potential “fire safety risks.”

In an email sent to AI Pin owners, the company said it received a report of a “charging issue” that resulted in a “quality issue with the battery cell provided by a third-party vendor used in your charging case accessory.” Humane did not explicitly indicate whether the unspecified “charging issue” caused the actual fire, but said the investigation found that “certain battery cells provided by this vendor may pose a fire safety risk.”

Although Humane isn’t using the word “recall” yet, it is advising people to stop using the charging case immediately. Other charging accessories, including the battery booster and charging pad, appear to be safe because their batteries come from different suppliers. We’ve reached out to Humane for more information and whether they have plans to refund or exchange the $149 accessory for people who have already purchased one. Meanwhile, the company is offering its customers two months of subscription service for free.

The full text of the email is below.