Picked up a disposable vape on the street (for the free lithium battery to use in electronics projects), and the PCB has a 24MHz ARM microcontroller on it. Wild how cheap the Reusing Disposable Vape Batteries Becky Stern I've been salvaging these disposable vapes for the 3.7v 500mAh lithium batteries inside. They can be used to power small electronic projects with the appropriate charging circuit and voltage converter. : r diyelectronics Man manages to power his entire house using 500 disposable vapes The project highlights how millions of thrown away vape batteries could help power homes instead of polluting landfills. Find out more: https: bit.ly 47YsTpp Someone turned 35 disposable vapes into a fast charging power bank for their smartphone and laptop