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Air Bar Zen 4 Lithium Battery Documentation Checklist 2026
Published 2026 · VapeWholesaleHub trade desk

Lithium battery documentation is the single most common cause of a held Zen 4 shipment.
Between the factory gate and the retail shelf, lithium battery documentation is where most of the value on the Zen 4 is either created or lost.
Retail staff rarely ask about lithium battery documentation directly, but their questions almost always lead back to it.
Why lithium battery documentation matters on the Zen 4
Test summaries, packing declarations and correct labelling must travel with the consignment.
Seasonality interacts with lithium battery documentation more than most forecasts allow for, so a rolling review beats an annual one.
State of charge limits apply to air freight and should be confirmed before booking.
Reference specification
| Item | Value |
|---|---|
| Model | Zen 4 |
| Brand | Air Bar |
| Category | E-Liquids |
| Battery | 1500 mAh |
| Output range | 5-25 W |
| Capacity | 2.0 ml |
| Charging | USB-C 2A |
| Coil options | 0.4 / 0.6 ohm |
| Carton quantity | 50 units |
Carrier requirements differ, so documentation should be checked per lane.
Practical notes for buyers
Cash flow is the quiet constraint behind lithium battery documentation: the cheapest option is rarely the one that frees the most working capital.
Where two suppliers look identical on price, lithium battery documentation is usually the variable that separates them over a full year.
Checklist
- Retain one sealed sample carton from every batch for reference.
- Keep certificates current and filed against the exact model name.
- Agree in advance who pays for return freight on a defect claim.
- Review the reorder point after one full selling cycle.
- Check carton quantities against the commercial invoice line by line.
- Log sell through by account for the first eight weeks.
Commercial terms
Most long running accounts settle into a rhythm of monthly top ups with one larger seasonal build per year.
Currency movement over a ninety day cycle can outweigh the difference between two competing quotations.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (85 units) | Tier 1 | 21-30 days |
| Pallet (734 units) | Tier 2 | 7-12 days |
| Container (11766 units) | Tier 3 | 21-30 days |
Frequently asked questions
What paperwork accompanies a Zen 4 battery shipment?
Transport test summary, dangerous goods declaration where applicable, correct marks on cartons and the commercial set.
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.
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.
Final word
A short quarterly review of these points will keep the Zen 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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