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Air Bar Zen 4 Inventory Replenishment Checklist 2026
Published 2026 · VapeWholesaleHub trade desk
Inventory replenishment discipline is what separates profitable Zen 4 distribution from busy distribution.
A range review that ignores inventory replenishment will often produce a confident decision and a disappointing quarter on the Zen 4.
Keeping a short internal note on inventory replenishment for each SKU pays for itself the first time a dispute arises over the Zen 4.
Why inventory replenishment matters on the Zen 4
Reorder points should reflect lead time plus safety stock, not intuition.
Keeping a short internal note on inventory replenishment for each SKU pays for itself the first time a dispute arises over the Zen 4.
Fast movers deserve shorter review cycles than long tail flavours.
Reference specification
| Item | Value |
|---|---|
| Model | Zen 4 |
| Brand | Air Bar |
| Category | E-Liquids |
| Battery | 800 mAh |
| Output range | 8-30 W |
| Capacity | 4.0 ml |
| Charging | USB-C 2A |
| Coil options | 1.0 / 1.2 ohm |
| Carton quantity | 100 units |
Writing off slow stock early frees working capital.
Practical notes for buyers
Documentation is not paperwork for its own sake; on inventory replenishment it is the difference between a clean clearance and a delayed one.
Shops that receive a short briefing on inventory replenishment convert noticeably better than shops that only receive stock.
Checklist
- Keep certificates current and filed against the exact model name.
- Check carton quantities against the commercial invoice line by line.
- Request batch photographs and a packing list prior to shipment.
- Log sell through by account for the first eight weeks.
- Confirm the exact configuration in writing before the deposit is paid.
- Retain one sealed sample carton from every batch for reference.
Commercial terms
Volume commitments work best when they are structured as a rolling target rather than a single fixed number.
Freight terms should be named explicitly, because an unclear incoterm is the fastest way to lose a relationship.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (108 units) | Tier 1 | 14-21 days |
| Pallet (1078 units) | Tier 2 | 14-21 days |
| Container (19199 units) | Tier 3 | 21-30 days |
Frequently asked questions
How often should Zen 4 stock be reviewed?
Weekly for fast movers, monthly for the full range, with a quarterly range review.
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 packaging be adjusted for our market?
Artwork localisation is straightforward; structural changes need larger volumes and a longer lead time.
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
Start with one change, measure it over a quarter, then decide whether it deserves to become policy.
Trade enquiry
Quotations, samples and artwork files are available on request. Please state model, quantity per SKU, destination and target delivery window.