According to a new report out of South Korea, Samsung has come to a conclusion on the cause for the Galaxy Note 7 fires that caused such a ruckus during the closing months of 2016. Surprise, surprise: it was batteries all along.

Although Samsung isn’t expected to release its official findings until January 23rd, a source within the company

Source: Hot Hardware – Samsung Reportedly Reaches Conclusion On Cause For Galaxy Note 7 Explosions