Overview
The Wulf Mods UNI 3.0 is a universal 510 battery with adjustable cartridge fit, digital display, and precise voltage control. Its unique adjustment system accommodates virtually any 510-threaded cartridge from 11-16mm diameter and 42mm+ height.
This manual covers setup, cartridge fitting, voltage adjustment, display customization, and maintenance.
What's in the Box
- Wulf Mods UNI 3.0 battery
- 510 magnetic adapter
- USB-C charging cable
- User manual
Note: Cartridges are sold separately.
Device Overview
Components
- Main Body: Houses battery, display, and controls
- Top Dial: Adjusts cartridge chamber width (11-16mm)
- Back Slider: Adjusts cartridge height position (42mm+)
- Digital Display: Shows voltage, battery, and settings
- Magnetic Adapter: Connects cartridges without threading
Button Functions
| Action | Function |
|---|---|
| 5 clicks | Power on/off |
| 2 clicks | Activate preheat (10 seconds) |
| 3 clicks | Access UI/display menu |
| Hold + | Increase voltage |
| Hold - | Decrease voltage |
| Hold power | Fire/heat cartridge |
Getting Started
Initial Charge
Before first use, fully charge your UNI 3.0:
- Connect the USB-C cable to the device
- Connect to a USB power source
- Allow 1 hour for initial charge
- Display will indicate full charge when complete
Note: Subsequent charges typically take 1 hour or less.
Installing the Magnetic Adapter
The magnetic adapter connects your cartridge to the battery:
- Locate the 510 magnetic adapter (small disc with center pin)
- Screw the adapter onto your cartridge's 510 threading
- Tighten until snug—do not overtighten
- The adapter is now attached to your cartridge
The magnetic connection allows easy cartridge swapping without re-threading.
Adjusting Cartridge Fit
Width Adjustment (Top Dial)
The top dial expands or contracts the cartridge chamber:
- Turn the dial clockwise to expand (larger cartridges)
- Turn the dial counter-clockwise to contract (smaller cartridges)
- Range: 11mm to 16mm diameter
- Adjust until your cartridge fits snugly without forcing
Height Adjustment (Back Slider)
The back slider raises or lowers the cartridge position:
- Slide up to raise the cartridge (taller cartridges)
- Slide down to lower (shorter cartridges)
- The mouthpiece should be accessible above the device
- Fits cartridges 42mm and taller
Inserting Your Cartridge
- Ensure the magnetic adapter is attached to your cartridge
- Adjust width and height for your cartridge size
- Drop the cartridge into the chamber—magnet will hold it
- Verify the cartridge sits securely without wobbling
Powering On/Off
- Turn On: Click the power button 5 times rapidly within 2 seconds
- Turn Off: Click the power button 5 times rapidly within 2 seconds
The display will illuminate when powered on.
Voltage Settings
Voltage Range
The UNI 3.0 adjusts from 1.8V to 4.2V in 0.1V increments:
| Voltage | Best For |
|---|---|
| 1.8-2.4V | Thin oils, maximum flavor preservation |
| 2.5-3.0V | Standard cartridges, balanced performance |
| 3.1-3.6V | Thicker oils, increased vapor |
| 3.7-4.2V | Very thick concentrates, maximum vapor |
Adjusting Voltage
- Power on the device (5 clicks)
- Press and hold the + button to increase voltage
- Press and hold the - button to decrease voltage
- Watch the display for current setting
- Release when desired voltage is reached
The device remembers your setting when powered off.
Voltage Recommendations
- Start low: Begin at 2.4-2.8V for new cartridges
- Adjust based on vapor: Increase if vapor is thin
- Protect flavor: Lower voltages preserve terpenes
- Thick oils: May require 3.2V+ to flow properly
Preheat Function
The preheat function warms thick oils before drawing:
Activating Preheat
- Double-click the power button
- Display shows 10-second countdown
- The device gently warms the cartridge
- Draw after countdown completes
When to Use Preheat
- First use of a new cartridge
- Thick or viscous oils
- Cold weather use
- When vapor seems weak on first draw
Display Customization
Accessing the UI Menu
- With device powered on, triple-click the power button
- Display enters UI selection mode
- Use +/- buttons to scroll through options
- Press power button to confirm selection
Available Backgrounds
- Wulf Mods logo
- Various graphic options
- Check your device for current selections
Display Information
The main screen shows:
- Current voltage setting (large numbers)
- Battery level indicator
- Preheat countdown (when active)
Battery Information
Specifications
- Capacity: 650mAh
- Charging: USB-C
- Charge Time: ~1 hour
Battery Indicator
The display shows battery level:
- Full bars: Fully charged
- Decreasing bars: Battery depleting
- Low indicator: Charge soon
Charging Tips
- Use the included USB-C cable
- Standard USB power sources work (5V)
- Do not leave charging unattended overnight
- The device cannot be used while charging
Maximizing Battery Life
- Lower voltages use less power
- Shorter draws conserve battery
- Charge before complete depletion
- Store with partial charge
Safety Features
15-Second Cutoff
The device stops heating after 15 seconds of continuous use:
- Display shows "OVERTIME" warning
- Release the button to reset
- Press again to continue heating
- This prevents overheating
Additional Protections
- Low battery warning: Alerts before shutdown
- Short circuit detection: Stops if circuit issues detected
- Overheat protection: Prevents excessive temperature
Maintenance
Regular Care
- Wipe the device with a dry cloth
- Clean the cartridge chamber occasionally
- Keep the USB-C port free of debris
- Check the magnetic adapter for residue
Cartridge Contacts
- Remove the cartridge
- Inspect the magnetic adapter contacts
- Clean with a dry Q-tip if needed
- Ensure contacts are free of oil residue
Storage
- Store in a cool, dry place
- Keep away from extreme temperatures
- Remove cartridge for long-term storage
- Maintain partial battery charge
Cartridge Compatibility Guide
Compatible Cartridges
The UNI 3.0 fits most 510-threaded cartridges:
| Cartridge Type | Width | Height | Compatible |
|---|---|---|---|
| Standard 0.5g | 10-11mm | 40-50mm | Yes |
| Standard 1g | 11-13mm | 50-65mm | Yes |
| Large 2g | 14-16mm | 65-80mm | Yes |
| Slim pen | 9-10mm | 40-55mm | At minimum dial |
Incompatible
- Non-510 threaded cartridges
- Cartridges under 9mm diameter
- Proprietary pod systems
Troubleshooting
Device Won't Power On
- Charge for at least 30 minutes
- Click exactly 5 times within 2 seconds
- Check USB-C port for debris
- Try a different charging cable
Cartridge Not Firing
- Verify magnetic adapter is attached
- Check cartridge is seated properly
- Clean contacts on adapter and cartridge
- Ensure cartridge has oil remaining
- Increase voltage for thick oils
OVERTIME Warning
This is the 15-second safety feature:
- Release the power button
- Wait a moment
- Press and hold again to continue
- Normal operation—not an error
Cartridge Doesn't Fit
- Adjust top dial for width (11-16mm range)
- Adjust back slider for height
- Ensure magnetic adapter is attached
- Check cartridge is 510-threaded
Weak Vapor
- Increase voltage setting
- Use preheat function (2 clicks)
- Clean cartridge contacts
- Check oil level in cartridge
- Cartridge may be depleted
Display Issues
- Ensure device is charged
- Power cycle (5 clicks off, 5 clicks on)
- The display should illuminate when on
- Contact support if display fails
Specifications
| Specification | Value |
|---|---|
| Battery Capacity | 650mAh |
| Voltage Range | 1.8V - 4.2V |
| Voltage Increments | 0.1V steps |
| Cartridge Width | 11-16mm adjustable |
| Cartridge Height | 42mm+ |
| Charging | USB-C |
| Charge Time | ~1 hour |
| Safety Cutoff | 15 seconds |
| Connection | 510 magnetic |
| Display | Digital with custom backgrounds |
Safety Information
General Safety
- Adult use only (21+)
- Keep away from children and pets
- Use only with compatible 510 cartridges
- Do not use damaged devices or cartridges
Electrical Safety
- Use included or compatible USB-C cables
- Do not charge with power banks over 5V
- Do not charge in vehicles
- Do not leave charging unattended
Usage Safety
- Do not exceed 15-second draws
- Allow cooling between extended sessions
- Stop use if device becomes excessively hot
- Store away from heat sources
Related: Wulf Mods UNI 3.0 Review | Wulf Mods Grid Manual
