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How to Source 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.
What follows is a practical view of serial number traceability for the Rexa 4, written for people who place repeat orders rather than one off buys.
Cash flow is the quiet constraint behind serial number traceability: the cheapest option is rarely the one that frees the most working capital.
Why serial number traceability matters on the Rexa 4
Batch identifiers should appear on the unit, the inner tray and the master carton.
Consistency across batches matters more than peak performance for Rexa 4, and serial number traceability is where inconsistency first appears.
A simple spreadsheet linking batch to destination account is usually sufficient at this scale.
Reference specification
| Item | Value |
|---|---|
| Model | Rexa 4 |
| Brand | Freemax |
| Category | Local Supply |
| Battery | 1500 mAh |
| Output range | 12-80 W |
| Capacity | 1.2 ml |
| Charging | USB-C 1A |
| Coil options | 0.6 / 0.8 / 1.0 ohm |
| Carton quantity | 120 units |
Retaining sample cartons per batch closes the loop if a problem emerges later.
Practical notes for buyers
Seasonality interacts with serial number traceability more than most forecasts allow for, so a rolling review beats an annual one.
Freight consolidation changes the answer to serial number traceability at container scale, which is why small and large buyers reach different conclusions.
Checklist
- Check carton quantities against the commercial invoice line by line.
- Review the reorder point after one full selling cycle.
- Record the arrival condition with photographs on the day of delivery.
- Keep certificates current and filed against the exact model name.
- Retain one sealed sample carton from every batch for reference.
- Request batch photographs and a packing list prior to shipment.
Commercial terms
Volume commitments work best when they are structured as a rolling target rather than a single fixed number.
Currency movement over a ninety day cycle can outweigh the difference between two competing quotations.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (110 units) | Tier 1 | 14-21 days |
| Pallet (889 units) | Tier 2 | 14-21 days |
| Container (16958 units) | Tier 3 | 30-45 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.
Can packaging be adjusted for our market?
Artwork localisation is straightforward; structural changes need larger volumes and a longer lead time.
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.
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.
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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