E cigarettes contain hazardous substances, addictive and harmful How to Safely Charge and Use your Vape Device Hidden toxins in e cigarette fluids may harm lung cells UCR News UC Riverside PDF) Labelling of electronic cigarettes: Regulations and current practice 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. Health Risks of E Cigarettes and Vaping American Lung Association