Discreet 510 Vape Battery (Concealed) for Sale Discount Vaporizers Off Stamp SW9000 Review: The First Disposable with a Magnetic Power Bank Vaping360 Vape Batteries: Internal Vs External Which Is Better? Shisha Vibe 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