IMREN 21700 35A 4000mAh Flat Top Rechargeable Battery Vape Battery Giant Vapes 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 E cigarettes or vapes are sold with either single use batteries or lithium ion rechargeable batteries. When vapes get crushed in general waste or mixed recycling, the batteries can spark. That spark becomes a fire. Extracting Free Lithium ion Batteries From Used Vapes