Yocan UNI Pro 2.0: The Box Mod That Fits Almost Any Cart
The Yocan UNI Pro 2.0 is a 510 thread box mod battery with Yocan’s patented adjustable chamber: a width dial and height slider let it hold almost any oil cartridge. Version 2.0 adds a sturdy zinc alloy body and USB-C charging, with 2.0V–4.2V voltage control in 0.1V steps, a 10-second preheat, an OLED screen and a 650mAh battery.
Authorized Yocan retailer · Genuine Yocan product · Live USD price: $35.90
Price checked October 7, 2026
Yocan UNI Pro 2.0 Controls
| Button | What it does |
|---|---|
| Power button, 5 quick presses | Turn on or off |
| Power button, double-tap | 10-second preheat |
| Power button, press and hold | Fire while you inhale (15-second safety cutoff) |
| + and – buttons | Raise or lower the voltage in 0.1V steps (2.0V–4.2V) |
| Width dial and height slider | Fit carts of different sizes snugly |
Yocan UNI Pro 2.0 Voltage Guide
| Voltage | Best for | What to expect |
|---|---|---|
| 2.0–3.0V | Live resin, thin oils, flavor | Smooth, tasty hits and longer battery life |
| 3.0–3.7V | Most carts, everyday use | Balanced flavor and vapor |
| 3.8–4.2V | Thick oil, bigger clouds | More vapor; can taste harsh if too high |
Start low and turn it up in small steps. If a hit tastes burnt, lower the voltage.
How to Use the Yocan UNI Pro 2.0
- Charge it fully with the USB-C cable (about 2 hours).
- Attach the magnetic ring to your 510 cart.
- Fit the cart: set the width dial and height slider, then drop the cart in so it clicks onto the magnet.
- Turn it on: press the power button 5 times quickly.
- Set the voltage with the + and – buttons.
- Preheat (optional): double-tap the power button for a 10-second warm-up.
- Vape: press and hold the power button while you inhale.
Troubleshooting
| Problem | Likely cause | Fix |
|---|---|---|
| Short-circuit warning on the screen | Cart resistance below 0.5 ohms or a dirty connection | Clean the magnetic ring and 510 contact with isopropyl alcohol, re-seat the ring, try another cart |
| Cart will not fit | Width or height not set | Turn the width dial and move the height slider until the cart sits snugly |
| Weak or no vapor | Low voltage, clogged cart or low battery | Preheat, raise the voltage a little, charge the battery |
| Burnt taste | Voltage too high | Lower the voltage a few steps |
UNI Pro vs UNI Pro 2.0 vs UNI 3.0 Plus
| Yocan UNI Pro | Yocan UNI Pro 2.0 | Yocan UNI 3.0 Plus | |
|---|---|---|---|
| Price (USD) | $29.99 | $35.90 | $37.95 |
| Battery | 650mAh | 650mAh | 1100mAh |
| Voltage | 2.0–4.2V (0.1V) | 2.0–4.2V (0.1V) | 1.8–4.2V (0.1V) |
| Preheat | 10 seconds | 10 seconds | 10 seconds |
| Body | Plastic | Zinc alloy (metal) | Zinc alloy |
| Best for | The lowest-cost UNI | A tougher metal UNI Pro with USB-C | The biggest battery and widest carts |
Yocan UNI Pro 2.0 Specifications
| Spec | Yocan UNI Pro 2.0 |
|---|---|
| Battery | 650mAh |
| Voltage | 2.0V–4.2V in 0.1V steps |
| Preheat | 10 seconds (double-tap) |
| Cart fit | Adjustable width (about 7–14mm) and height |
| Connection | 510 thread with magnetic ring |
| Display | OLED: battery, voltage, resistance, puff count |
| Charging | USB-C, about 2 hours |
| Safety | 15-second cutoff, short-circuit protection |
| Body | Zinc alloy |
Yocan UNI Pro 2.0 FAQ
What is the Yocan UNI Pro 2.0?
The Yocan UNI Pro 2.0 is a 510 thread box mod battery with an adjustable chamber that fits almost any oil cartridge. It has a zinc alloy body, a 650mAh battery, 2.0V to 4.2V voltage control in 0.1V steps, a 10-second preheat, an OLED screen and USB-C charging.
What is the difference between the Yocan UNI Pro and UNI Pro 2.0?
Both have the same adjustable width and height chamber, 650mAh battery and 2.0V to 4.2V voltage range. The UNI Pro 2.0 adds a sturdier zinc alloy metal body and USB-C charging.
How do I turn on the Yocan UNI Pro 2.0?
Press the power button 5 times quickly. Press 5 times again to turn it off.
How do I preheat the Yocan UNI Pro 2.0?
Double-tap the power button to start a 10-second preheat. It warms thick oil so your first draw is smoother and less likely to clog.
How do I change the voltage on the Yocan UNI Pro 2.0?
Use the + and – buttons to adjust the voltage from 2.0V to 4.2V in 0.1V steps. The OLED screen shows your setting. Start around 2.0V to 3.0V for flavor and go up to 3.8V to 4.2V for bigger clouds.
What carts fit the Yocan UNI Pro 2.0?
Almost any 510 thread oil cartridge. Screw the included magnetic ring onto your cart, then use the width dial (about 7mm to 14mm) and the height slider to fit it snugly in the chamber.
Why does my Yocan UNI Pro 2.0 say short or not hit?
The UNI Pro shows a short-circuit warning when the cart resistance reads below 0.5 ohms or the connection is dirty. Remove the cart, wipe the magnetic ring and the 510 connection with a cotton swab and isopropyl alcohol, re-seat the ring snugly and try again. If another cart works, the first cart is the problem.
How long does the Yocan UNI Pro 2.0 take to charge?
About 2 hours with the included USB-C cable.
Is City Vaporizer an authorized Yocan retailer?
Yes. City Vaporizer is an authorized Yocan retailer, so your Yocan UNI Pro 2.0 is genuine and covered by the manufacturer warranty.
Yocan Uni Pro 2.0
The Yocan Uni Pro 2.0 fits various oil cartridges. So, it gives users more control over their sessions. This box mod is a reliable daily choice. It has precise temperature controls, a sturdy build, and a custom fit for oil cartridges. Let’s dive into its features and why it’s worth considering. It is the latest version of the Yocan Uni model, updated for a better vaping experience.
Features
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510-Threaded Magnetic Connection: The Yocan Uni Pro features a 510-threaded magnetic adapter. It holds oil cartridges securely in place. This feature simplifies the cartridge installation process.
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Precise Voltage and Temperature Control: Use the easy OLED screen to set the exact temperature you want. This lets you fine-tune your experience for different types of oil cartridges.
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Adjustable Height and Width: The Uni Pro 2.0 fits many cartridge sizes. Its design allows for height adjustment. You can easily adjust the width and height to ensure that your cartridge vaporizer holds securely.
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OLED Display: The large OLED display shows key info, like battery life and voltage. The simple interface makes adjusting settings quick and intuitive.
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USB-C Charging: The UNI Pro 2.0 charges through a USB-C port in about 2 hours.
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The Uni Pro 2.0 has a strong zinc alloy body, making it durable and suitable for everyday use.
Includes
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1x Yocan Uni Pro 2.0 Box
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1x 510-threaded Magnetic Adapter
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1x USB-C Charging Cable
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1x User Manual
Yocan Uni Pro 2.0 Review
Yocan Uni Pro 2.0 Review
Build Quality and Durability
The Uni Pro 2.0’s zinc alloy body makes it feel solid. It’s also portable. So, it has a high-quality, durable design. The Yocan Uni Pro 2.0 box is robustly built. It can handle daily use without losing performance. Also, the metal body protects the internal parts from damage. This includes the charging port and battery.
Compatible Cartridge
The Uni Pro 2.0 vaporizer has patented adjustable height and width settings. It works with a wide range of oil cartridges, including pre-filled ones. The Uni Pro box mod works with both thick and thin oil cartridges. The 510-threaded magnetic connection ensures a secure fit. It also makes switching cartridges easy.
The flexible cartridge compatibility gives users more options. You can choose what works best for you.
Battery Life
The Uni Pro 2.0 has a strong 650mah battery. It can power multiple sessions before needing a recharge. The OLED display shows the battery level. It keeps you informed.
The device has an efficient battery and a convenient charging port. Recharging with the included USB-C cable is easy. The LED light on the Yocan Uni Pro 2.0 will show the charging status. You can quickly check the status when it’s fully charged.
Ease of Use
Navigating the Yocan Uni Pro 2.0 is simple with its OLED screen and easy-to-use three-button system. Users can easily adjust the voltage or check the battery. It takes just a few clicks. The wide voltage range allows for precise control. You can fine-tune the voltage settings to your liking. Press the power button five times to turn the device on or off.
This makes the Uni Pro 2.0 easy for new and experienced users. The OLED display and simple controls ensure a smooth user experience.
Quick Start
Quick Start
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Insert the cartridge: Attach your oil cartridge to the 510-threaded magnetic adapter. Then, place it in the chamber.
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Turn on the device: Press the power button five times to turn the device on or off.
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Adjust the Voltage: Use the OLED display and side buttons to adjust the voltage. You can fine-tune it to match your oil cartridge for the best results.
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Start Vaping: Once you’ve set your preferred voltage, press and hold the power button to begin using the device.
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Charging: When battery life is low, connect the USB-C cable to charge. The OLED screen will display the charging status.
Frequently Asked Questions
Frequently Asked Questions
1. On a full charge, how long does the battery of the Yocan Uni Pro 2.0 typically last?
The battery life depends on your voltage settings and frequency of use. The 650mAh battery lasts through many sessions on a single charge; lower voltages stretch it further.
2. What type of oil cartridges are compatible with the Yocan Uni Pro 2.0 box mod vaporizer?
It supports most 510-threaded oil cartridges, including pre-filled cartridges. The adjustable height and width features allow it to fit a wide range of sizes.
3. How will I know when the Yocan Uni Pro 2.0 has finished charging?
The OLED display will show a full battery icon when charging is complete. Typically, it takes about 2 hours to fully charge via the USB-C port.
4. Is the Yocan Uni Pro 2.0 box mod vaporizer compatible with any cartridges besides oil ones?
The designers specifically designed the Uni Pro 2.0 for oil cartridges. Using other types of cartridges may not provide the intended results.
5. What materials are used in the construction of the Yocan Uni Pro 2.0 vaporizer’s body?
The maker builds the Yocan Uni Pro 2.0 from zinc alloy. This material makes it strong and long-lasting for daily use.


























Damien R –
dropped this thing over 60 times since i got it 6 months ago. Not a scratch, dent, or chip still. Goes up to 4.2v and I like my wax hot. Highly recommend!