Had an eventful time at Edinburgh airport security, they scanned my bag and thought my glasses case with vape liquid, batteries and vape charger inside it was a security concern, the guy The insides of one of those microphone looking things inside a disposable vape. It's a pressure sensor, and the chip is called S085. According to this link, it does have charging capability, Found mini board inside disposable vape is this a basic charging board for the lithium cell? : r diyelectronics JUUL Charging Case Portable Vape & E Cigarette Power Bank JUUL Charge Juul Without Charger How To Charge Your Juul Without A Charger Juul Device