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Air Bar Diamond 4 Model Comparison
Published 2026 · VapeWholesaleHub trade desk
A structured comparison makes it easier to position Diamond 4 against neighbouring options.
Every serious sourcing conversation about the Diamond 4 eventually arrives at model comparison, usually because it is where cost and risk meet.
Where two suppliers look identical on price, model comparison is usually the variable that separates them over a full year.
Why model comparison matters on the Diamond 4
Compare on battery, capacity, coil range and total cost of ownership, not headline price.
Freight consolidation changes the answer to model comparison at container scale, which is why small and large buyers reach different conclusions.
Consumable availability often matters more to the customer than device features.
Reference specification
| Item | Value |
|---|---|
| Model | Diamond 4 |
| Brand | Air Bar |
| Category | Disposable Vapes |
| Battery | 400 mAh |
| Output range | 8-25 W |
| Capacity | 4.0 ml |
| Charging | USB-C 2A |
| Coil options | 1.0 / 1.2 ohm |
| Carton quantity | 120 units |
Side by side demo units in store settle most purchase decisions.
Practical notes for buyers
Documentation is not paperwork for its own sake; on model comparison it is the difference between a clean clearance and a delayed one.
In practice the decision comes down to three numbers: unit cost, freight per unit and the realistic sell through rate for Diamond 4.
Checklist
- Record the arrival condition with photographs on the day of delivery.
- Log sell through by account for the first eight weeks.
- Retain one sealed sample carton from every batch for reference.
- Keep certificates current and filed against the exact model name.
- Check carton quantities against the commercial invoice line by line.
- Verify that artwork matches the approved compliance template.
Commercial terms
Freight terms should be named explicitly, because an unclear incoterm is the fastest way to lose a relationship.
Most long running accounts settle into a rhythm of monthly top ups with one larger seasonal build per year.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (197 units) | Tier 1 | 30-45 days |
| Pallet (1120 units) | Tier 2 | 30-45 days |
| Container (13176 units) | Tier 3 | 30-45 days |
Frequently asked questions
How does Diamond 4 compare with the previous version?
Later revisions usually improve coil life and charging, with cosmetic changes being secondary.
Do you support long term supply agreements?
Yes, rolling agreements with defined review points work better for both sides than rigid annual commitments.
What happens if a batch fails inspection?
The agreed procedure normally covers replacement of affected units or credit against the next order, documented before shipment.
Can packaging be adjusted for our market?
Artwork localisation is straightforward; structural changes need larger volumes and a longer lead time.
Final word
None of this is complicated, but it does need to be written down and reviewed on a schedule.
Trade enquiry
Quotations, samples and artwork files are available on request. Please state model, quantity per SKU, destination and target delivery window.
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