Extracting Free Lithium ion Batteries From Used Vapes Every Vape You Recycle Prevents a Fire. Despite the ban on disposable vapes introduced last June, it's estimated that over 2 million are still being purchased every week in the UK. Each What is a Disposable Vape? Everything You Need To Know Disposable vapes are creating piles of electronic waste 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