I got a bag of e waste disposable vapes destined for the garbage. But I knew there were rechargeable lithium ion batteries inside them, so I opened them up to extract the cells., Out of seven used Disposable Vape Battery Tray (Parametric) by Adam Oellermann Download free STL model Printables.com Engineer shares fascinating tech project made from vapes found on street: 'Fully rechargeable' 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 Upcycling disposable vape batteries into a rechargable powerbank : r Anticonsumption 5s4p disposable vape battery pack Share Project PCBWay