Meet the Yocan UNI 4.0
Posted: Thu Sep 10, 2026 10:22 pm
Hey everyone,
We're excited to introduce the latest addition to our UNI series — the Yocan UNI 4.0. It keeps the compact, versatile design you love, now with a massive 1.26" TFT screen and finer voltage control.

Key Highlights:
1.26" TFT Display – Clear, full-color screen showing voltage, battery, puff count, and resistance at a glance.
Precise Voltage Adjustment – Dial in from 1.8V to 4.2V in 0.1V increments. Hold +/− for rapid adjustment.
Universal Fit – Adjustable height (>42mm) and diameter (8–14mm) fits virtually any 510 cartridge. Includes 2 magnetic adapters.
Preheat Mode – Double-click the power button for a 10-second preheat at 1.8V.
650mAh Battery – Type-C fast charging, full charge in about 1 hour.
Smart Safety – 15-second cut-off, short-circuit protection, auto screen sleep, and auto shut-off after 1 hour.
Specs at a Glance:
Size: 28 × 40 × 75mm
Coil Resistance: >0.8Ω
Charging: Type-C 5V/1.0A
Puff Counter Reset: Hold Power + “−” simultaneously

In the Box:
1 × UNI 4.0 Device
2 × Magnetic 510 Thread Adapters
1 × Type-C Cable
1 × User Manual
The UNI 4.0 is available now. Let us know what you think!
We're excited to introduce the latest addition to our UNI series — the Yocan UNI 4.0. It keeps the compact, versatile design you love, now with a massive 1.26" TFT screen and finer voltage control.

Key Highlights:1.26" TFT Display – Clear, full-color screen showing voltage, battery, puff count, and resistance at a glance.
Precise Voltage Adjustment – Dial in from 1.8V to 4.2V in 0.1V increments. Hold +/− for rapid adjustment.
Universal Fit – Adjustable height (>42mm) and diameter (8–14mm) fits virtually any 510 cartridge. Includes 2 magnetic adapters.
Preheat Mode – Double-click the power button for a 10-second preheat at 1.8V.
650mAh Battery – Type-C fast charging, full charge in about 1 hour.
Smart Safety – 15-second cut-off, short-circuit protection, auto screen sleep, and auto shut-off after 1 hour.
Specs at a Glance:Size: 28 × 40 × 75mm
Coil Resistance: >0.8Ω
Charging: Type-C 5V/1.0A
Puff Counter Reset: Hold Power + “−” simultaneously

In the Box:1 × UNI 4.0 Device
2 × Magnetic 510 Thread Adapters
1 × Type-C Cable
1 × User Manual
The UNI 4.0 is available now. Let us know what you think!