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Product data sheets and datasheet pages: what solar buyers look for
What an installer or procurement engineer checks on a solar product datasheet, how to keep one current page per product, and how to stop your sales team contradicting it.
The GullySales team · Updated 17 Oct 2026 · 5 min read
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An installer comparing three solar suppliers opens three datasheets side by side and checks numbers, not the homepage. So the useful way to improve your datasheet is to look at one that is going wrong and see what changes. Below is an invented datasheet from a mounting structure maker in Alwar, shown as the buyer received it, then corrected line by line.
The sheet as it arrived
The sheet had a product name in the header, "SunRack Pro", a photograph and a block of text. It said the structure was "strong, durable and suited to all roofs". It gave a price per kilowatt in the corner, rounded. The sales head's own phone carried a different version, with a different pipe thickness, and neither was marked current. There was no date and no revision mark.
The installer who received it was designing for a flat concrete roof. The sheet gave no way to tell which version was current, what wind conditions the design assumed, or what the coating was. The installer emailed to ask, and the reply came four days later. By then another supplier had the job.
What the installer checks, in order
Three things, in this order. Does the model match what was quoted? Do the electrical and mechanical figures fit the design? And is there a document behind each claim, such as a test report or the manufacturer's warranty paper? In the Alwar sheet the first check already failed, so the installer never reached the second.
The same sheet, corrected block by block
Each block below shows the problem and the replacement.
| Block | What was wrong | What replaced it |
|---|---|---|
| Header | A marketing name only | Product name, the exact model number the sales team quotes, revision date |
| Claims | "Strong, durable, all roofs" | A table of the figures a designer needs, each with a unit, and the roof types the structure is made for |
| Material | "Galvanised" with no detail | Material, coating and thickness as measured, and the test or report that supports them |
| Drawing | A photograph | A dimensioned drawing, with weight and mounting points |
| Documents | None | The manufacturer's warranty paper and any test report attached, with number and issuing body |
| Supply | A rounded price | Pack size, lead time as offered, who to call; price left to the quote |
One caution on the documents row. Standards and approvals differ by state and body and change, so check with your own adviser or the regulator before describing an approval in your own words. Name the paper, give its number, and let the buyer read it.
Keep one master, not three
A design built on the wrong version is not a small error, because the installer's own drawing and quote all follow from it, and the installer will remember which supplier caused the rework.
The maker's real problem was not the design of the sheet. It was three versions in circulation. The repair is a rule with one owner, usually someone from the technical side. Every change goes through that person, carries a new revision date and replaces the old file everywhere. That includes the copy on the sales head's phone, which is where contradictions tend to hide. Our post on datasheets, spec sheets and a product page engineers trust goes deeper on the page itself.
For the web, make a page and a PDF from one source. The page lets search engines and phones read the specification, and the PDF is what the installer attaches to their own quote. Edit them separately and they drift apart. Put the model number in the page title, the file name and the first line of the PDF, so a search for the number finds the right thing. Give each product its own page with a download link beside the table, instead of one long page of PDFs, so the address can be sent on WhatsApp and the right sheet opens.
In the Alwar case the clean sheet went out in a week, but a distributor in Bhilwara kept forwarding the old PDF for another month, so one installer still quoted from the wrong pipe thickness. Fixing your own file does not fix the copies other people hold; ask the distributors to delete the old one.
On gating: leave a standard datasheet open. An installer asked for a phone number before seeing an inverter's dimensions may simply open the next supplier's file. Ask for details at the enquiry or the quote, where an installer expects to give them. A form is fair only for a long technical pack, such as a design guide, that took real effort to prepare.
Check what the sales team says against the sheet
A datasheet is also a script. If the sales team says a figure on the phone that differs from the sheet, the buyer will believe the sheet or, worse, believe neither. After any change, give the sales team the new sheet and withdraw the old one in the same message. Then ask each person to read one line aloud from memory and compare it.
What procurement engineers add
In a larger firm a procurement engineer asks a fourth thing: is this the current file? A sheet with no date is treated as old, because buyers have been caught before. They also compare model numbers across datasheet, quote and delivery challan. If any one differs, the order waits while someone asks. Keep the numbers identical in all three.
When not to lead with the datasheet
A homeowner asking about a rooftop system does not want a table of mounting loads. Lead with a short plain sheet on what the system does. Keep the datasheet for the homeowner's installer. If your buyer is a farmer, use a short clip in the farmer's own language. The datasheet is for the person who has already decided to compare; most other readers want something shorter.
Correct one sheet this afternoon
Take the product you quote most. Put its datasheet beside the last quote you sent, and compare the model number, the figures and the revision date. Mark every difference, fix the sheet first, then replace the file on every phone in the sales team. Our sales collateral development page covers the wider set of sheets, and the trade is on our solar and renewable energy equipment page. If you want a second pair of eyes on the sheet, tell us what you need.
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