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Air Bar Diamond 4 Returns and Credit Notes
Published 2026 · VapeWholesaleHub trade desk
A clear returns and credit process on Diamond 4 protects the relationship when something goes wrong.
Wholesale demand in this category is driven less by novelty than by consistency, and returns and credit notes is where that consistency is measured.
Consistency across batches matters more than peak performance for Diamond 4, and returns and credit notes is where inconsistency first appears.
Why returns and credit notes matters on the Diamond 4
Distinguish between a defect claim and a change of mind before agreeing any action.
The most common mistake is optimising for the first order instead of the fourth, which is where Diamond 4 economics actually settle.
Credit notes should reference the original invoice line to keep accounting clean.
Reference specification
| Item | Value |
|---|---|
| Model | Diamond 4 |
| Brand | Air Bar |
| Category | Flavours |
| Battery | 1100 mAh |
| Output range | 12-30 W |
| Capacity | 3.0 ml |
| Charging | USB-C 2A |
| Coil options | 0.6 / 0.8 / 1.0 ohm |
| Carton quantity | 100 units |
Agreeing who pays return freight in advance avoids most disputes.
Practical notes for buyers
In practice the decision comes down to three numbers: unit cost, freight per unit and the realistic sell through rate for Diamond 4.
Freight consolidation changes the answer to returns and credit notes at container scale, which is why small and large buyers reach different conclusions.
Checklist
- Review the reorder point after one full selling cycle.
- Keep certificates current and filed against the exact model name.
- Record the arrival condition with photographs on the day of delivery.
- Request batch photographs and a packing list prior to shipment.
- Confirm the exact configuration in writing before the deposit is paid.
- Retain one sealed sample carton from every batch for reference.
Commercial terms
Agreeing a defect handling procedure before the first shipment removes emotion from later conversations.
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 (191 units) | Tier 1 | 7-12 days |
| Pallet (649 units) | Tier 2 | 14-21 days |
| Container (14211 units) | Tier 3 | 14-21 days |
Frequently asked questions
Who pays return freight on a Diamond 4 defect claim?
For confirmed defects the supplier normally covers it; agreeing this in writing before shipment prevents arguments.
Is documentation provided for customs?
Commercial invoice, packing list and the relevant certificates are supplied; the importer's broker handles the declaration.
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.
Final word
A short quarterly review of these points will keep the Diamond 4 range healthy without consuming the week.
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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