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Freemax Rexa 4 Serial Number Traceability Explained

Published 2026 · VapeWholesaleHub trade desk

Serial number traceability on Rexa 4 turns a recall from a crisis into a routine task.

Distributors reviewing their Rexa 4 range usually find that serial number traceability explains most of the variance in results between accounts.

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.

Keeping a short internal note on serial number traceability for each SKU pays for itself the first time a dispute arises over the 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	Box Mods
Battery	800 mAh
Output range	10-60 W
Capacity	3.0 ml
Charging	USB-C fast charge
Coil options	0.4 / 0.6 ohm
Carton quantity	120 units

Retaining sample cartons per batch closes the loop if a problem emerges later.

Practical notes for buyers

Retail staff rarely ask about serial number traceability directly, but their questions almost always lead back to it.

Cash flow is the quiet constraint behind serial number traceability: the cheapest option is rarely the one that frees the most working capital.

Checklist

Confirm the exact configuration in writing before the deposit is paid.
Request batch photographs and a packing list prior to shipment.
Log sell through by account for the first eight weeks.
Retain one sealed sample carton from every batch for reference.
Agree in advance who pays for return freight on a defect claim.
Review the reorder point after one full selling cycle.

Commercial terms

Payment history is the single most reliable route to better terms, more than total annual volume.

Agreeing a defect handling procedure before the first shipment removes emotion from later conversations.

Volume tier	Indicative unit level	Lead time
Carton (63 units)	Tier 1	14-21 days
Pallet (1330 units)	Tier 2	21-30 days
Container (6024 units)	Tier 3	30-45 days

All figures above are indicative working ranges used for planning. Final specification and commercial terms are confirmed in writing before any deposit.

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 several models be mixed in one shipment?

Yes, mixing models and flavours within a carton or pallet is common and usually helps first time buyers test demand.

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.

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