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Al Fakher Royal 4 Coil Compatibility
Published 2026 · VapeWholesaleHub trade desk
Coil compatibility decides whether Royal 4 becomes a repeat purchase product or a one off sale.
A range review that ignores coil compatibility will often produce a confident decision and a disappointing quarter on the Royal 4.
Consistency across batches matters more than peak performance for Royal 4, and coil compatibility is where inconsistency first appears.
Why coil compatibility matters on the Royal 4
Clear cross reference charts reduce counter returns caused by customers buying the wrong resistance.
Where two suppliers look identical on price, coil compatibility is usually the variable that separates them over a full year.
Mesh structures tend to give more consistent flavour over the life of the coil.
Reference specification
| Item | Value |
|---|---|
| Model | Royal 4 |
| Brand | Al Fakher |
| Category | E-Liquids |
| Battery | 500 mAh |
| Output range | 5-30 W |
| Capacity | 4.0 ml |
| Charging | USB-C fast charge |
| Coil options | 0.8 / 1.2 ohm |
| Carton quantity | 100 units |
Keeping spare coils in the same carton as devices lifts average order value.
Practical notes for buyers
Where two suppliers look identical on price, coil compatibility is usually the variable that separates them over a full year.
Keeping a short internal note on coil compatibility for each SKU pays for itself the first time a dispute arises over the Royal 4.
Checklist
- Retain one sealed sample carton from every batch for reference.
- Record the arrival condition with photographs on the day of delivery.
- Confirm the exact configuration in writing before the deposit is paid.
- Request batch photographs and a packing list prior to shipment.
- Review the reorder point after one full selling cycle.
- Check carton quantities against the commercial invoice line by line.
Commercial terms
Lead times are a function of component availability as much as factory capacity, so buffers should reflect both.
Agreeing a defect handling procedure before the first shipment removes emotion from later conversations.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (176 units) | Tier 1 | 14-21 days |
| Pallet (534 units) | Tier 2 | 30-45 days |
| Container (7219 units) | Tier 3 | 14-21 days |
Frequently asked questions
Which coil resistance suits Royal 4 best?
Higher resistance suits tighter draws and salt liquids; lower resistance suits open airflow and freebase blends.
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 Royal 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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