Honeystick Elf is appropriate with almost all 510 cartridges. It's buttonless and attract-activated, driven by a 350mAh battery, and its voltage output is three.7V. The Elf cart battery and also other 510 thread attachments are related through a magnetic adapter ring. Look at our troubleshooting tutorial or browse our post https://www.lookah.com/vaporizers/510-thread-battery/