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 Do Disposable Vapes Have Lithium Batteries? The Inside Story Crystal Vape & Crystal Bar & SKE Vape Official Station The vapes we throw out could be powering thousands of EVs Not 18650 but related. Recently I've been salvaging li ions from disposable vapes. Usually they are between 2.6 and 3.3v depending on how long it's been sitting. This one was at 1v. Power banks, e cigarettes, vapes and devices containing lithium batteries have the potential to overheat & catch fire. We are introducing enhanced measures to prevent such incidents onboard our aircraft. Please refer to Extracting Free Lithium ion Batteries From Used Vapes