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Air Bar Diamond Ultra: Returns and Credit Notes for Distributors
Published 2026 · VapeWholesaleHub trade desk

A clear returns and credit process on Diamond Ultra protects the relationship when something goes wrong.
What follows is a practical view of returns and credit notes for the Diamond Ultra, written for people who place repeat orders rather than one off buys.
In practice the decision comes down to three numbers: unit cost, freight per unit and the realistic sell through rate for Diamond Ultra.
Why returns and credit notes matters on the Diamond Ultra
Distinguish between a defect claim and a change of mind before agreeing any action.
In practice the decision comes down to three numbers: unit cost, freight per unit and the realistic sell through rate for Diamond Ultra.
Credit notes should reference the original invoice line to keep accounting clean.
Reference specification
| Item | Value |
|---|---|
| Model | Diamond Ultra |
| Brand | Air Bar |
| Category | Reviews |
| Battery | 1000 mAh |
| Output range | 8-30 W |
| Capacity | 4.0 ml |
| Charging | USB-C fast charge |
| Coil options | 1.0 / 1.2 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 Ultra.
The most common mistake is optimising for the first order instead of the fourth, which is where Diamond Ultra economics actually settle.
Checklist
- Log sell through by account for the first eight weeks.
- Keep certificates current and filed against the exact model name.
- Agree in advance who pays for return freight on a defect claim.
- Retain one sealed sample carton from every batch for reference.
- Confirm the exact configuration in writing before the deposit is paid.
- Check carton quantities against the commercial invoice line by line.
Commercial terms
Commercial terms are usually agreed in three parts: a deposit on confirmation, a balance before shipment and a stated validity window.
Volume commitments work best when they are structured as a rolling target rather than a single fixed number.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (100 units) | Tier 1 | 21-30 days |
| Pallet (1584 units) | Tier 2 | 14-21 days |
| Container (17065 units) | Tier 3 | 14-21 days |
Frequently asked questions
Who pays return freight on a Diamond Ultra defect claim?
For confirmed defects the supplier normally covers it; agreeing this in writing before shipment prevents arguments.
How quickly can a repeat order be produced?
For established configurations production typically runs two to four weeks, with transit on top depending on the chosen method.
Is documentation provided for customs?
Commercial invoice, packing list and the relevant certificates are supplied; the importer's broker handles the declaration.
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.