Overview
The Ooze Duplex 2 addresses a common problem: what if you want access to two different cartridges without carrying two devices? This dual 510 battery holds two cartridges in a concealed design, letting you switch between them instantly.
Note: The Duplex 2 is exclusively sold in bundle packages.
Design & Build Quality
The Duplex 2 manages to fit two 510 connections into a reasonably compact device. Both cartridges are concealed within the body, maintaining discretion while doubling your options.
Available Bundles
- Duplex 2 Upgrade Kit Bundle
- Duplex 2 Refill Bundle
- Duplex 2 Duo Bundle
Features
Dual Cartridge Design
The core feature:
- Two 510 connections
- Quick switching between carts
- Both concealed within body
- Independent selection
Use Cases
Perfect for:
- Day/Night strains - Sativa for day, Indica for night
- CBD/THC combo - Keep both accessible
- Different flavors - Variety without swapping
- Backup ready - Second cart when first empties
Variable Voltage
Adjust power for different cartridge types:
| Voltage | Best For |
|---|---|
| Low | Thin oils, flavor |
| Medium | Standard cartridges |
| High | Thick oils, clouds |
Performance
Switching Between Cartridges
Simple selector lets you choose which cartridge to activate:
- No unscrewing
- Instant switching
- Clear indication of selection
Vapor Quality
Standard 510 performance—vapor quality depends on your cartridges, while the Duplex provides consistent power delivery.
Battery Life
Shared between both cartridges:
- Plan usage accordingly
- USB-C charging
- Monitor battery level
Who Is It For?
Ideal Users
- Medical users with multiple strains
- Those who like variety
- Day/night different preference users
- Anyone tired of swapping carts
Considerations
- If you only use one cart, single battery is smaller
- Both carts drain same battery
- Bulkier than standard 510 pens
Bundle Value
Evaluate based on complete package:
- Charging accessories
- Replacement parts
- Carrying solutions
Maintenance
- Keep both 510 connections clean
- Clean selector mechanism
- Regular charging
- Inspect cartridge seating
Pros & Cons
Pros:
- True dual-cart convenience
- Instant strain switching
- Concealed design
- Good bundle value
- Variable voltage
Cons:
- Bundle-only purchase
- Shared battery capacity
- Larger than singles
Verdict
The Ooze Duplex 2 genuinely solves the multi-cartridge problem in an elegant way. Rather than carrying two devices or constantly swapping cartridges, you have both ready instantly. The bundle-only format adds value with accessories, making it a practical choice for variety seekers.
Related: Ooze Duplex 2 User Manual