The 18650 batteries are often used in certain types of electronic cigarettes called mechanical mods, which are specialized vaping devices that do not have an internal safety circuitry.

Mechanical mods are free of any electronic control to regulate the vape, and allow for the ultimate in customization. This said, you need to have a background in vaping and some basic electronics ...

Exploding e-cigarette kills 24-year-old Texas man 01:47. Fort Worth, Texas -- An e-cigarette is being blamed for the death of a Fort Worth man, CBS Dallas reports. His family said a vape pen ...

Experts say the man who died was using a particular kind of vape pen, known as a mechanical mod, which is not that common in the UK. E-cigarette battery blast leaves mother with burnt scalp; ...

The vape pen that Mr D'Elia was using was a so-called mechanical mod, meaning it drew power directly from the battery and did not regulate the voltage in the same way as other e-cigarettes.

The incident occurred in the parking lot of a local vape shop on January 27. Shop managers told CBS DFW that Brown did not purchase anything, but was seeking help on how to use a Mechanical Mod ...

Vaping has produced a diverse community of aficionados with all sorts of subspecialties. One vape-juice "mixologist" sells her recipes for as much as $1,500, while custom-made devices go for $3,000.

Experts say the man who died was using a particular kind of vape pen, known as a mechanical mod, which is not that common in the UK. E-cigarette battery blast leaves mother with burnt scalp.

The vape pen that Mr D'Elia was using was a so-called mechanical mod, meaning it drew power directly from the battery and did not regulate the voltage in the same way as other e-cigarettes.