Made to be incognito for the pre-filled tanks and cartridges, while also giving the user three different voltage settings. With a built-in USB charger, you're sure to never lose any pieces as well.
Designed to be discreet, this battery looks like a set of keys or keychains making it the perfect traveling device for concerts, road trips, and festivals. Press the side button to release and enjoy!
5/10 threading, fits most cartridges and tanks
• Keychain Battery
• Built-in USB Charger