Overview
The Yocan UNI Pro Plus represents the precision-focused branch of Yocan's popular UNI series. While the UNI 3.0 Plus emphasizes entertainment features with its animated display and games, the UNI Pro Plus targets vapers who prioritize exact control over their vaping experience. With voltage adjustable from 2.0V to 4.2V in precise 0.1V increments, this box mod offers the finest tuning available in a universal cartridge battery.
The device pairs this precision with an upgraded 900mAh battery (up from the standard 650mAh), OLED display for crystal-clear readings, and Yocan's signature adjustable cartridge holder that accommodates virtually any 510 cartridge on the market.
Design & Build Quality
The UNI Pro Plus showcases refined aesthetics with a sleek zinc alloy construction. The rectangular OLED display sits prominently on the front face, providing high-definition clarity for voltage and battery readings. The overall design feels premium without being ostentatious - it's a tool designed for serious users.
Color Options
The UNI Pro Plus is available in sophisticated finishes:
- Onyx
- Sand
- Sky Blue
- Sage
- Burgundy
These earth-toned and muted colors give the device a more refined, mature appearance compared to flashier alternatives.
Build Highlights
- Durable zinc alloy construction
- High-definition rectangular OLED screen
- Height adjustment lever for cartridge positioning
- Sliding width mechanism for universal fit
- Ergonomic fire button placement
- USB-C charging port
Features
Precision Voltage Control
The standout feature of the UNI Pro Plus:
- Voltage range from 2.0V to 4.2V
- Adjustable in precise 0.1V increments
- 23 distinct voltage settings available
- Fine-tune to match specific cartridges
- Optimize for flavor vs. vapor production
- Real-time OLED display feedback
OLED Display
Clear information at a glance:
- High-definition rectangular screen
- Current voltage level clearly displayed
- Battery percentage indicator
- Excellent visibility in any lighting
- No guessing about settings
Adjustable Cartridge System
Universal compatibility through dual adjustment:
- Width adjustment: Sliding mechanism fits any diameter
- Height adjustment: Lever accommodates various lengths
- Works with slim pens to wide tanks
- Pre-filled and refillable cartridge support
- Secure grip prevents wobble
Pre-Heat Function
Prepare thick oils for optimal performance:
- Gently warms cartridge before use
- Improves flow of viscous concentrates
- Better first-puff experience
- Prevents dry hits
USB Type-C Charging
Modern charging technology:
- Fast charging speeds
- Reversible connector
- Universal cable compatibility
- Stable power delivery
Performance
Voltage Precision
The 0.1V increments make a real difference:
- Dial in exact preferred settings
- Subtle adjustments for different cartridges
- Low settings (2.0V-2.4V) for maximum flavor
- Mid settings (2.5V-3.2V) for balanced experience
- High settings (3.3V-4.2V) for cloud production
- Match voltage to oil viscosity
Battery Life
The 900mAh capacity upgrade delivers:
- Approximately 38% more than standard 650mAh
- One to two days of use per charge
- 150-300+ puffs depending on settings
- Reliable for daily carry
- USB-C for quick top-ups
Cartridge Compatibility
The adjustable system ensures:
- Universal 510 thread compatibility
- Any cartridge diameter works
- Various cartridge heights accommodated
- No compatibility concerns
- Future-proof design
Vapor Quality
Consistent, controlled performance:
- Precision voltage prevents burning
- Optimal heating for any oil type
- No hot spots or uneven heating
- Smooth, flavorful vapor
- Customizable to preference
UNI Pro Plus vs. UNI 3.0 Plus
| Feature | UNI Pro Plus | UNI 3.0 Plus |
|---|---|---|
| Battery | 900mAh | 1100mAh |
| Display | OLED (readings) | HD animated |
| Voltage | 2.0V-4.2V (0.1V steps) | Adjustable (+/-) |
| Games | No | Yes (Tetris, Evadex) |
| Themes | No | 3 options |
| Price | $44.99 | $50.00 |
| Focus | Precision control | Entertainment features |
Choosing Between Them
Choose UNI Pro Plus if:
- Precise voltage control is essential
- You prefer clean, functional design
- You want lower price point
- You don't need display animations
- You value substance over style
Choose UNI 3.0 Plus if:
- You want maximum battery life
- Animated display appeals to you
- Built-in games are a plus
- You prefer the most features
Usage
Basic Operation
- Charge fully before first use
- Attach cartridge to device
- Adjust width and height for secure fit
- Power on with 5 rapid clicks
- Set voltage with +/- buttons (in 0.1V steps)
- Press fire button and inhale
Finding Your Perfect Voltage
| Oil Type | Recommended Range | Why |
|---|---|---|
| Thin oils | 2.0V - 2.6V | Prevents burning |
| Standard | 2.7V - 3.4V | Balanced performance |
| Thick oils | 3.5V - 4.2V | Ensures vaporization |
Using Pre-Heat
- With cartridge attached, activate pre-heat
- Device gently warms the cartridge
- Wait for cycle to complete
- Take your first puff
- Especially useful for cold environments or thick oils
Who Should Buy
Ideal For
- Vapers who demand precise control
- Users with multiple cartridge types
- Those who appreciate clean aesthetics
- People who want upgraded battery life
- Flavor enthusiasts who fine-tune settings
May Not Be Right If
- You want the biggest possible battery
- Animated displays and games appeal to you
- Ultra-compact size is essential
- You prefer preset voltage levels
Care & Maintenance
- Clean OLED display with soft cloth
- Keep 510 connection free of debris
- Store in cool, dry location
- Use included or quality USB-C cable
- Avoid extreme temperatures
Pros & Cons
Pros:
- Industry-leading 0.1V precision control
- Clear OLED display
- Universal cartridge compatibility
- Upgraded 900mAh battery
- Premium build quality
- Refined color options
Cons:
- No animated display or themes
- Battery smaller than top-tier models
- Less compact than pen styles
Verdict
The Yocan UNI Pro Plus excels as a precision instrument for 510 cartridge vaping. While it lacks the entertainment features of its UNI 3.0 Plus sibling, it compensates with unmatched voltage control - the ability to adjust in 0.1V increments from 2.0V to 4.2V gives users 23 distinct settings to find their perfect experience.
The 900mAh battery represents a meaningful upgrade from standard batteries, the OLED display provides crystal-clear information, and the adjustable cartridge holder ensures you'll never face compatibility issues. At $44.99, it's priced competitively for its feature set.
If you're a vaper who values precise control and clean functionality over flashy features, the UNI Pro Plus is an excellent choice. It's a serious tool for users who want to optimize their experience down to the finest detail.
Related: Yocan UNI Pro Plus Manual