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 POTV Lobo Replacement Battery POTV Planet of the Vapes Replacement lithium battery for a vape battery unit, from the manufacturer. Marketed specifically for that unit. : r mildlyinfuriating DuB EnG: Vape Lithium Cells Discarded Disposable Reclaimed Batteries Upcycling Waste Electronics YouTube How to Choose the Right 18650 Battery for Your Vape Eleaf electronic cigarette Did you know Lithium ion batteries, commonly used in vapes, can catch fire if they're damaged, improperly disposed of, or left charging long enough to overheat. Vaping is often seen as