Disposable and rechargeable vape products are rapidly becoming one of the most complex regulated waste streams in the United States. They combine lithium batteries, plastics, heavy metals, and nicotine residues into a single product category. This category sits at the intersection of battery regulations, e-waste laws, hazardous waste rules, and emerging Extended Producer Responsibility (EPR) frameworks. Regulators are catching up. Enforcement is accelerating. Manufacturers an