✔ DANKTANK - Our concealed battery is compatible with any cartridge up to 11mm in width and attaches via included magnet connector.
✔ MAGNET CONNECTOR - "Crowns" facing up, attach the magnet connector to your prefilled cartridge and immediately enjoy!
✔ PACKAGE INCLUDES - Magnet Connector to use it with your own cartridge, USB charging cable, Color coded lanyard for easy carrying, NO empty cartridge
✔ FOUR SECURITY PROTECTIONS - Short circuit protection, Anti-discharge protection, Over discharge protection, Over voltage protection
✔ 100% MONEY BACK GUARANTEE - We offer 14 days free returns or exchange in case of unit malfunction so you can rest assure (JUST FOR TLCompany buyer)
✔For extra magnet click here
https://www.amazon.com/dp/B07TCSCCN3?ref=myi_title_dp