The Yocan Uni Pro is the much anticipated update on the wildly popular Yocan Uni cartridge battery mod.
You still get the revolutionary variable diameter adjustment to fit almost any cartridge out there, as well as the height adjustment, allowing you to easily use different capacity cartridges.
The 510 Thread Magnetic Connector Ring is back, ensuring compatibility with almost any 510 thread cartridge.
The Uni Pro now has a beautiful OLED display that allows you to adjust the voltage between 2.0V and 4.2V in 0.1V increments.
Yocan Uni Pro Cartridge Battery Mod
510 Thread Magnetic Connector Ring