4 projects that use recycled disposable vape batteries Unsafe disposal of millions of vapes a week causing environmental damage and rise in lithium ion battery fires British Safety Council 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 Picking up Free Lithium Cells Off the Street and Making them Safe for Use atomic14 Disposable Vapes repurposing the crappiest invention Run Like Duck Buy the books!