TL;DR
- The barcode is the join key between pack, listing and receiving scan, and the one thing on the artwork the factory cannot supply. Your own GS1 company prefix issues it, so allocate the GTIN before artwork approval.
- A sellable unit, an inner box and a shipping carton are three different things, and only the unit carries the retail barcode. Our AA packing gives 2 or 4 cells per shrink pack, 10 packs (40 cells) per inner box, and 180 packs (720 cells) per carton of 31 × 19 × 18 cm at 18 kg.
- That carton is 360, 180 or 15 sellable units depending on the pack you list, so declare the quantity in the unit the customer actually buys.
- Identifier, pack format and specification must agree before printing. Our own pages publish AA at 400 minutes and at 360 minutes, and a shelf life of 10 years and of 5 years.
- A barcode covers no poly bag warning, carton label or market obligation, and those separate lines are the ones that get a shipment held.
The barcode on an alkaline battery pack is the only part of the artwork the factory cannot supply, and it decides whether your Amazon shipment arrives as saleable inventory or sits in a carton. A GTIN from your own GS1 company prefix has to appear in three places: the artwork your printer plates, the listing record Amazon holds, and the pack that reaches the fulfilment centre. Agree, and receiving is arithmetic. Disagree, and the units are unrecognisable.
The checklist is built from our own published packing data, because the numbers are where errors live. Our AA alkaline range states 2 or 4 pieces per shrink pack, 10 packs (40 pieces) to an inner box, and 180 packs (720 pieces) to a shipping carton of 31 × 19 × 18 cm at 18 kg gross. Our 48pcs retail color box is the same chemistry in a retail shell at 48 pieces per box. One carton of 720 cells is therefore 360, 180 or 15 sellable units.
The One Number That Has to Agree Everywhere
A GTIN is not a barcode; it is the number a barcode carries. GS1 defines a trade item as a product or service priced, ordered or invoiced anywhere in the supply chain, and states that a Global Trade Item Number (GTIN) uniquely identifies all of a company’s trade items. The barcode is the carrier and the GTIN the identity, so what a scan returns must match the number your listing was created with.
The allocation is yours. A GS1 company prefix is issued to a company, and that company allocates GTINs from it, one per trade item. For US sellers, GS1 US sets out the steps for getting a UPC barcode for your products. A supplier offering to print your barcode is offering to print digits, and digits mean nothing unless they came from your own prefix.
Why the Shipping Carton Is Not the Product
The barcode on your retail pack and the identifier on your carton do different jobs, and only one ends up on a customer shelf. GS1 separates the linear UPC and EAN codes used in retail from GS1-128 and ITF-14, the barcodes built for a distribution environment. A retail barcode answers what is this item; a case identifier answers where is this group of items. Substituting one for the other is the commonest structural mistake in battery shipments.
Our shipping carton is 31 × 19 × 18 cm at 18 kg gross, holding 180 shrink packs of 720 cells. It needs a carton label and a shipment reference, but no retail barcode, because it is not what the customer buys. Amazon’s FBA programme, described on Amazon’s own seller page as outsourcing shipping, returns and customer service, counts the units off your pallet, not the cartons they arrived in.
A carton barcode does not create an extra unit, and a count in the wrong unit becomes a receiving discrepancy rather than a customer complaint. Because carton dimensions and gross weight decide how many units fit a pallet, a unit-count error changes the freight you booked, not just the paperwork.
The Pack Counts That Have to Reconcile
Every level above the sellable unit is a counting risk, because each can be expressed in cells, packs or units, and the three are not interchangeable.
| Level | Published configuration | Sellable units inside | What it carries |
|---|---|---|---|
| Shrink pack | 2 or 4 cells | 1 | Retail barcode, marketplace label |
| Retail colour box | 48 cells | 1 | Retail barcode, marketplace label |
| Inner box | 10 packs, 40 cells | 10 packs | Pack count, no retail barcode |
| Shipping carton | 180 packs, 720 cells, 31 × 19 × 18 cm, 18 kg | 360 two-packs, 180 four-packs or 15 colour boxes | Carton label, shipment reference |
720 divided by 40 gives 18 inner boxes to a carton. 720 cells divided by 2 gives 360 sellable packs, by 4 gives 180, and by 48 gives 15 colour boxes. The wrong answer is whichever figure you typed before deciding which pack the customer receives.
Since the pack format is a listing attribute, decide before the listing is built. A listing showing 48 pieces per box with a pack quantity of 48 is a different product from one showing a pack quantity of 1, and only one can carry a given GTIN without a mismatch at receiving.
What Goes on the Retail Box and What Goes on the Carton
The retail pack carries the customer-facing identity and the carton carries the freight identity, and mixing the two is how shipments end up unscannable. On the sellable unit appear the brand and chemistry, the size designation, the quantity, the country of origin, the identity of the party placing the product on the market, and the retail barcode on a flat, uncreased, unprinted area. GS1 recommends imaging-capable scanners, and a barcode across a fold is one some receiving equipment will not read.
If the unit is bagged rather than boxed, the bag needs the suffocation warning your destination market requires, because a loose battery is exactly the small-item hazard that rule exists for. Our packing data lists aluminium foil, blister, shrink, inner box and outer box, and choosing between a blister card and a shrink pack changes both the print surface and the warning placement.
On the carton, what matters is a carton label, the unit count in sellable units and the marketplace’s shipment reference. What does not go on the carton is a retail barcode, because a receiving system has no way to tell a case identifier from a trade item.
Freeze the Specification Before the Artwork
Every number on the box is also a claim, and a claim has to be true in one place only, written down once. Our own published specification is not internally uniform. The 48-piece colour box states AA at 400 minutes and AAA at 150 minutes, a weight of 12 g per piece, and CE, KC, RoHS, REACH and IEC 60086 certification. The AA range table lists LR6/AA/AM3 at 360 minutes with a five-year shelf time, while the specification block on the same page gives a ten-year shelf life and a one-year warranty.
Copy the product page for the listing and the range table for the artwork, and the pack ends up saying one discharge time while the listing says another. The fix is not the flattering figure but one source, the test conditions next to the number, and the same line carried into the artwork brief, the listing template and the product record.
Markings follow the same discipline. Placed on the European market, the battery and its packaging carry obligations that sit with the party placing it on the market, and Regulation (EU) 2023/1542 is the framework that sets them. The importer needs the manufacturer’s identity, the cell specification and the conformity documentation before shipping, so the question for the factory is not can you print it but what data do you owe me.
The Pre-Shipment Checklist
Seven checks, in the order that costs least to fix. Each one either prevents a later mistake or becomes unfixable once the next step is taken.
- Allocate the GTIN before the artwork is approved. Take it from your own GS1 company prefix, verify the check digit, record prefix, item reference and full number as one line.
- Freeze the pack hierarchy. Sellable unit, inner box and shipping carton, with cell counts, pack counts, carton dimensions and gross weight, in one document.
- Fix one specification source. One page, one set of figures with their test conditions, copied into the artwork brief and the listing template.
- Check the artwork against the marketplace’s current requirements. Identifier format, label placement, poly bag warnings, carton label area, pack quantity. These rules live behind your seller account and change.
- Reconcile the unit count three ways. Physical count in a finished carton, the packing list and the pack quantity on the listing must produce the same number.
- Audit one finished carton physically. Scan every sellable unit, confirm the barcode resolves, confirm the carton label and the counts, record the result.
- Keep the evidence with the shipment file. Artwork proof, scan test, carton audit sheet and photographs of the labelled carton, filed against the shipment.
What a Barcode Does Not Solve
A barcode tells you what something is, never what it is. It carries an identifier and nothing else, so four things sellers expect it to do, it does not. It is not an authenticity guarantee: GS1′s Verified by GS1 exists for that, and a valid number on a counterfeit product is still a valid number. It is not logistics tracking, which comes from GS1-128 handling and event data. It is not packaging compliance, since a perfect barcode on a pack with no warning, no origin statement and no responsible party is still a non-compliant pack. And it is not proof the goods match the listing, which is what step six is for.
That makes the barcode the easiest part of the job, because the harder parts arrive as a rejection, a correction, or a shipment you cannot ship.
Where the Responsibility Lands
The obligations on the product sit with the party that places it on the market, which in an Amazon FBA programme is you, not the factory and not the marketplace. The factory can produce cells and print your artwork, but the marking on the pack, the identifier on the listing and the records behind both are yours. So the question for a supplier is not whether they can print a barcode but whether they will give you the documentation that lets you print the right one: manufacturer identity, model and chemistry, dimensions, and the performance figures with their conditions.
We manufacture alkaline cells for the AA and AAA formats in zinc-manganese chemistry, in aluminium foil and PVC jackets, and supply both our own brand and OEM programmes. Send us the pack format you intend to sell, the destination markets and the units per carton you intend to declare, and we will come back with the packing configuration, the carton specification and the data you need to complete the checklist. The enquiry route is on our contact page, where a reply is stated within 24 hours.
Frequently Asked Questions
Can the battery factory supply the GS1 barcode for my pack?
It can print a barcode, and printing is not allocating. The GTIN comes from a GS1 company prefix issued to your own company, so allocate it yourself.
Do I need a GS1 company prefix if I only sell through Amazon?
Whether a marketplace accepts an alternative to a GTIN is set by the marketplace and changes, so read the current requirement for your market. A GTIN is issued under a GS1 company prefix.
I list both a 4-pack and a 48-piece box. How many barcodes do I need?
One per sellable unit, because they are different trade items with different pack quantities. Two products differing in what the customer receives need two GTINs and two listings.
How many units should I declare in a shipping carton?
In sellable units, at the pack you actually sell. Our AA carton of 180 packs and 720 cells is 360 two-packs, 180 four-packs or 15 colour boxes. Declaring 720 because the carton holds 720 cells is the commonest route to a receiving discrepancy.
Does the inner box need a different barcode from the retail pack?
It needs no retail barcode at all. The inner box holds 10 packs of 40 cells for handling and shipping, so it carries a pack count and the marks the destination market requires on packaging.
The check digit on our artwork does not validate. What now?
Stop the print run and find the error: a wrong check digit means the number is wrong somewhere, not the checker. Recompute it from the number without it and compare. If the digits match a different item in your range, the wrong number was pasted in.
ZSCells export team
Ningbo Johnson New Eletek Co., Ltd. — alkaline battery manufacturing and export
We manufacture alkaline cells for export from Ningbo, supplying both our own brand and OEM programmes. This article was written by our export team, who handle specification requests and buyer enquiries.
Last verified: 2026-11-04. Cell chemistry, dimensions, jacket, discharge and shelf-life figures, certifications, packing formats, inner box and shipping carton configuration, carton dimensions and gross weight are as published on the corresponding pages of this website, including the two AA discharge figures and two shelf-life figures above. Unit prices, tooling costs and lead times are not published here. GS1 prefix rules, marketplace identifier and labelling requirements, and the marking obligations for batteries and packaging placed on a market are set by GS1, the marketplace and the destination country, and must be confirmed before artwork approval. Regulatory reference: Regulation (EU) 2023/1542 on batteries and waste batteries.
Post time: Nov-05-2026
