Battery broke so I made a homemade vape pen out of scrap electronics : r StonerEngineering There is a tiny component inside disposable vapes that people mistakenly assume is a microphone. It is not. It is a special sensor that causes the heating element to produce vapor when triggered. ### Someone powered their e bike using disposable vape batteries, and the results are seriously impressive Vape Batteries: A Complete Guide E Cigarette Direct Love making use of used vape batteries, not pretty but here is a decent 12V battery pack with battery manegement. How to Make a Disposable Vape Work After It Dies?