Crystal Clear - Smart Battery | Blue

Easy To Use | 5-Second Time Out | For Use With Bottom Airflow 510 Thread Cartridges Pro Tips: LED on battery will flash if battery level is too low for operation Store battery in a cool, dry place out of direct sunlight Battery will automatically time out after five seconds of vaporization Compatible with all 510 thread cartridges, USB charger included How To Use: To charge, twist the threaded end of the battery into charging port on the charger.Plug the USB end of the charger into a compatible power source.The indicator light will illuminate red during charging and green when a full charge is complete.To use the battery, twist off the battery from the charger and twist on your favorite Heavy Hitters 510 cartridge and enjoy.