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Freemax Rexa 4 Serial Number Traceability
Published 2026 · VapeWholesaleHub trade desk

Serial number traceability on Rexa 4 turns a recall from a crisis into a routine task.
A range review that ignores serial number traceability will often produce a confident decision and a disappointing quarter on the Rexa 4.
A written internal standard for serial number traceability makes onboarding new account managers far quicker and reduces avoidable errors.
Why serial number traceability matters on the Rexa 4
Batch identifiers should appear on the unit, the inner tray and the master carton.
In practice the decision comes down to three numbers: unit cost, freight per unit and the realistic sell through rate for Rexa 4.
A simple spreadsheet linking batch to destination account is usually sufficient at this scale.
Reference specification
| Item | Value |
|---|---|
| Model | Rexa 4 |
| Brand | Freemax |
| Category | E-Juice |
| Battery | 1500 mAh |
| Output range | 8-30 W |
| Capacity | 6.0 ml |
| Charging | USB-C 1A |
| Coil options | 0.8 / 1.2 ohm |
| Carton quantity | 200 units |
Retaining sample cartons per batch closes the loop if a problem emerges later.
Practical notes for buyers
Consistency across batches matters more than peak performance for Rexa 4, and serial number traceability is where inconsistency first appears.
The most common mistake is optimising for the first order instead of the fourth, which is where Rexa 4 economics actually settle.
Checklist
- Request batch photographs and a packing list prior to shipment.
- Check carton quantities against the commercial invoice line by line.
- Retain one sealed sample carton from every batch for reference.
- Review the reorder point after one full selling cycle.
- Keep certificates current and filed against the exact model name.
- Confirm the exact configuration in writing before the deposit is paid.
Commercial terms
Currency movement over a ninety day cycle can outweigh the difference between two competing quotations.
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 (91 units) | Tier 1 | 14-21 days |
| Pallet (1732 units) | Tier 2 | 14-21 days |
| Container (14641 units) | Tier 3 | 21-30 days |
Frequently asked questions
Why does batch traceability matter for Rexa 4?
It limits the scope of any future quality action to the affected batch instead of the whole range.
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.
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
A short quarterly review of these points will keep the Rexa 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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