Phones, vapes, laptops, e scooters and other devices containing Li ion ( lithium ion) batteries can cause fires if not properly used, charged or maintained. Don't leave Li ion devices charging overnight. Don't let Li ion devices get 510 Batteries Powerful Vape Thread Batteries for Cartridges Discreet Smoker 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 Can lithium batteries be used as vape batteries TYCORUN ENERGY Wondering if I should try using disposable vape batteries in a RC car,