The Foray Vape Battery & Charger includes a 510 thread rechargeable lithium ion battery and USB charger. The Foray Vape Battery is calibrated specifically for Foray Vape Cartridges. Foray Vape Cartridges are sold separately. Foray Vape Cartridges are also sold together with Foray Vape Battery & Charger in “Foray Cartridge Starter Packs”.