Solar Panel Verification in Pakistan: Check Any Brand Online

Every major panel manufacturer keeps a database of every module it has ever built, and every one of those modules carries a serial number that can be looked up against it. This page takes you to the right database for your brand, shows you where the serial number is printed on your particular panel, and explains what the answer actually means. It is free, it takes about a minute, and you do not need to give anybody your phone number.

Pick your brand below to start.

Jinko Verify a panel 54 models listed LONGi Verify a panel 44 models listed Canadian Solar Verify a panel 39 models listed JA Solar Verify a panel 29 models listed Aiko Verify a panel 23 models listed Astronergy Verify a panel 19 models listed Trina Verify a panel 2 models listed Risen Verify a panel 11 models listed

Why panel buyers in Pakistan end up checking

A solar panel is unusually hard to judge by looking at it. Two modules can carry the same brand name, the same sticker, the same frame and the same glass, and still be worth very different money. The difference sits in the cells behind the glass and in the factory that laminated them, and neither is visible from the outside once the module is sealed.

That is why the trade runs on paperwork. Ask any serious importer to back a claim and they will reach for an import sheet, a packing list or a bill of entry, because those documents tie a physical pallet to a shipment and a shipment to a factory. The problem is that this paperwork sits with the importer rather than with you, it is tedious to obtain, and a buyer with two pallets in a courtyard has no practical way to check any of it on a Tuesday afternoon.

Serial number verification exists to close that gap. It does not replace the paperwork, and for a large commercial order you should still ask for it. But for the person who has just taken delivery of twelve panels, it is the one check that can be done on the spot, by anybody, against a database that the seller does not control.

What a serial number check actually proves

It is worth being precise about this, because a passing result gets quoted in arguments as though it settles everything, and it does not.

What a pass does tell you

That the manufacturer has that serial number in its production records, and that the module against it is the model you were sold. That is a real and useful fact. A counterfeit module built in a shed does not have a serial number in Jinko’s database, because Jinko never built it.

What a pass does not tell you

• It does not tell you the panel is A grade. Manufacturers record downgraded and factory second modules too. A genuine B grade panel passes verification, because it is genuinely theirs.
• It does not tell you the panel is undamaged. Microcracks from rough handling in transit do not change the serial number, and they do not show up on a database.
• It does not tell you the warranty is yours. Most manufacturers tie the warranty to the region a module was sold into and to the channel it came through. A panel diverted from another market is genuine and may still be uncovered here.
• It does not tell you the output matches the label. Only a flash test does that, and no online check substitutes for one.

Treat a pass as evidence that the module came from the factory it claims. Treat everything else as a separate question.

How to check a panel, in three steps

1. Find the serial number on the module

It is not in the same place on every brand, which is the first thing that stops people. Jinko prints it in a corner on the front of the module and again in the centre of the back sheet. Astronergy puts it at the top of the module face or along the side of the frame. LONGi prints a string of digits on the front or the back. Your brand page has the exact location for your panel.

The serial is the long unique string, not the model number. A model number is shared by thousands of panels and usually contains letters that describe the product, such as the wattage. A serial number is unique to one module and is usually longer.

2. Copy it exactly

Take it from the module label rather than from a pallet sticker or a delivery note, because those can be reprinted and are sometimes wrong. Most check failures we see are transcription errors rather than counterfeits: a capital O typed where a zero belongs, a missing leading zero, or a digit lost at the end.

The tool on each brand page strips out spaces and dashes for you and, where the manufacturer publishes a format, tells you whether the length looks right before you go any further.

3. Check it on the manufacturer’s own site

Your brand page links to the one address that genuinely belongs to that manufacturer, and names the lookalike sites that imitate it. That second part matters more than it sounds, which is the subject of the next section.

What each result means

The panel is confirmed

The module is in the manufacturer’s records. Note the model and, if the page shows one, the production date. Check the model matches what is on your invoice, because a genuine panel of a cheaper model is a different complaint from a counterfeit one.

Nothing is found

Do not treat this as proof of a fake, and do not confront anybody yet. In order of likelihood:

1. The serial was mistyped. Check it character by character against the module.
2. You used a regional portal. Several manufacturers run separate databases per sales region, and a panel sold into Pakistan can return nothing on a European tool while being entirely genuine. Jinko is the clearest example of this.
3. The batch is not loaded yet. Very recent production sometimes lags the public database by weeks.
4. The panel is not what it claims. This is the last explanation to reach for, not the first.

The page errors, or asks for something you do not have

Some portals ask for a country before they will search, and some sit behind a captcha. Neither is a sign of a problem with your panel. If a correct serial still fails after you have ruled out the first three causes above, email the manufacturer directly. Several of them, Aiko among them, ask you to do exactly that rather than assume the worst.

What to do if a panel does not check out

Work in this order. It keeps you on solid ground if the conversation becomes a dispute.

1. Check more than one panel. Take serials from three or four modules across different pallets. One failure is probably a typo. A whole pallet failing is a finding.
2. Photograph everything. The module label with the serial legible, the frame, the pallet label, and the delivery note. Do it before anything is moved or installed.
3. Get it in writing from the manufacturer. An email from the brand saying the serials are not theirs is worth far more in a dispute than a screenshot of a web page.
4. Ask the seller for the import documents. The packing list and the bill of entry should show serial ranges that include your panels. A supplier who genuinely imported them can produce this. One who cannot has told you something.
5. Do not install them. Once modules are on a roof and wired, your leverage is gone and so is most of your practical recourse.

A grade, B grade and the panels in between

Grading comes up constantly in the Pakistani market and it causes more confusion than counterfeiting does, partly because the terms are used loosely and partly because no independent body defines them.

There is no international standard that says what an A grade panel is. The grades are a manufacturer’s own internal sorting, and where a module lands depends on that factory’s thresholds. Broadly:

• A grade is the normal saleable module: output within the published tolerance, no visible cell or lamination defects, full warranty.
• B grade covers modules that failed the factory’s cosmetic or electrical threshold. That may mean a visible discolouration, a slight cell misalignment, or output a little under the nameplate. They are usually sold at a discount, frequently with a shorter warranty or none.
• Refurbished or reclaimed modules have been used, removed from an installation and resold. These are not new, whatever the sticker says.

Grade and authenticity are different questions

This is the part worth taking away. A genuine B grade panel will pass a serial number check, because the manufacturer really did make it. Verification tells you who built the module. It does not tell you which bin it came out of.

If grade matters to you, and it should, ask for it in writing on the invoice, ask for the flash test report for your specific serial range, and ask what warranty the seller is offering in their own name. A supplier selling genuine A grade stock will not hesitate. Ambiguity at this point is the answer.

Common questions

Does this cost anything?

No. Every manufacturer check linked here is free, and we do not ask you to register for anything. We never see the serial number you type; the lookup happens on the manufacturer’s own site.

Can you check every brand in one box?

No, and neither can anybody else. Each manufacturer keeps its own private database and none of them share it. Any single page offering to verify every brand at once is not connected to those databases, whatever it says. That is worth remembering, because sites making exactly that offer rank well in search.

My panel brand is not listed. What now?

We cover the brands we list on this site. If yours is not among them, search for the manufacturer’s own website directly and look for a page called Module Authenticity or similar, and ignore anything that is not on the manufacturer’s own domain. Where a brand has no public checker at all, the importing distributor and the shipping paperwork are your route.

Should I check before or after installation?

Before. Serial numbers are printed on the back sheet and the frame, and once a panel is mounted and wired, reading them means taking it down again. Check on delivery, while you still have the option of refusing the consignment.

The seller says the panels are imported and shows me an import sheet. Is that enough?

It is good evidence and worth asking for, but read it properly. An import document proves that somebody imported a quantity of panels. It only proves anything about your panels if the serial ranges on it cover the serial numbers on the modules in front of you. Check two or three against the document.