What Batteries Are in Disposable Vapes? A Complete Guide 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 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. Best 510 Batteries for Carts Top Picks for Power, Portability & Flavor Wholesale Vape Batteries Choose the Right Vaporizers for Your Store Cannatron Cheap 510 Cart Batteries & 510 Thread Batteries Fast Shipping