Vape Pen Battery Guide for 2024 O2VAPE Extracting Free Lithium ion Batteries From Used Vapes 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 Dispose of Properly! Vape Pens and E Cigarettes use rechargeable batteries also known as lithium ion batteries. They MUST be disposed of properly. Throwing them away in your trash or recycling can cause