According to GrimmGreens new video, the FDA is handing off regulation of vaping batteries to the Consumer Product Safety Commission. A quick google only turned up one page on their site that I think relates to this. Apparently according to GG they are real sticklers, so this may have a severe affect the already embattled US vaping community.
Doug Lee and Andrew Trotta Participating in an FDA Workshop on Battery Safety Concerns in Electronic Nicotine Delivery Systems
Relevant section comes in at 3:30
Doug Lee and Andrew Trotta Participating in an FDA Workshop on Battery Safety Concerns in Electronic Nicotine Delivery Systems
Relevant section comes in at 3:30