We spoke to the bright engineering minds who brought a vape-connected "Tamagotchi" — which dies if you don't inhale — to life ...

also referred to as voltage sag. For example, some vape batteries can remain around 3.7V midway throughout the cycle, while others drop to 3.2V or lower when drawing power, resulting in sag in power.

Flavored nicotine vapes have been illegal to sell in New York since 2020, but some e-cigarette manufacturers are still marketing them toward minors with flavors like rainbow cotton candy and grape ...

[Chris Doel] found over a hundred disposable vape pens after a local music festival ... He starts with testing each cell and charging them to the same voltage, grouping cells with similar internal ...