Vape mod external battery adds danger to vaping. An electronic cigarette exploded and killed a man in St. Petersburg, Florida this month,  according to authorities who are investigating the circumstances surrounding his death.

One of the pieces removed from his head featured the logo of Smok-E Mountain Mech Works, which is based in the Philippines. Smok-E Mountain makes a particular type of vape pen called a mechanical mod. Compared with more common types of vape pens, mechanical mods typically give users more direct access to the battery and do not use inner circuitry to regulate the voltage.

Read more:  nytimes.com