Selling LiFePO4 Batteries on Amazon: Hazmat Review, Wh Limits, SDS and UN38.3

If you plan to sell your own brand of LiFePO4 batteries on Amazon, the battery itself is only part of the work. Amazon asks for battery attributes, a safety data sheet and a UN38.3 test summary. Those documents have to match your listing, and many listings are held up because they don’t. This guide walks through what Amazon’s US Seller Central help pages ask for, the energy limits that rule out large batteries, and how to set up private-label documents so they line up.

This guide is general information as of 30 October 2026, based on Amazon’s US Seller Central help pages, 49 CFR 173.185 and IATA guidance. It is not legal advice. Amazon’s requirements change, so check the current pages in your Seller Central account. Nothing here guarantees that a listing or ASIN will be approved.

Short answer

• Amazon reviews listings it identifies as possible dangerous goods (hazmat). Lithium batteries need battery attributes, and often an SDS or a battery exemption sheet.
• Amazon says it requires all sellers to upload a UN38.3 test summary at ASIN setup.
• Amazon’s lithium battery table shows US approval for batteries up to 300 Wh and rejection above 300 Wh. A 12.8V 100Ah battery is 1,280 Wh.
• The SDS product name has to match the listing title, and the manufacturer or brand has to match the detail page.
• For private label, agree how your model number appears on the test summary, the SDS and the label before you approve artwork.

What Amazon reviews for lithium battery listings

According to Amazon’s dangerous goods review help page, products that may be dangerous goods are reviewed when they are listed or converted to FBA. Amazon says products with complete and correct information are classified within two business days, and products with incomplete, inaccurate or conflicting information may be blocked for sale through FBA.

If a product is flagged while inventory is already in an Amazon fulfillment center, Amazon says you have 14 business days to provide the documents it asks for; after that, the inventory is disposed of at your expense. So the documents need to be ready before the stock ships.

Battery attributes Amazon asks for

Amazon’s “Dangerous goods required information and documentation” page lists the battery details it asks for at listing. For a LiFePO4 battery they include:

• Battery cell composition, from the manufacturer’s label or packaging
• whether batteries are included, the number of batteries and cells, and the battery weight
• Lithium battery packaging: packed with equipment, contained in equipment, or standalone
• Energy content in Wh, calculated from the nominal voltage, not the charge voltage
• “Has less than 30 percent state of charge”, which Amazon describes as a mandatory self-certification; it says lithium products without an answer are not eligible for air shipping

Every value should come from the same source documents as your test summary and SDS. If the listing says one Wh value and the test summary says another, that is the kind of conflicting information that can block a listing.

Wh limits: why big batteries are a problem

Amazon’s lithium battery requirements page has a table showing which energy ranges are approved or rejected in each region. For lithium-ion batteries (not single cells), the US rows read:

Battery energy	US (per Amazon’s table)	LiFePO4 example
0–100 Wh	Approved	12.8V 7Ah = 89.6 Wh
Over 100 Wh up to 300 Wh	Approved	12.8V 20Ah = 256 Wh
Over 300 Wh	Rejected	12.8V 100Ah = 1,280 Wh

Other regions differ: in the same table, many regions reject batteries over 100 Wh, and only India and Japan show approval above 300 Wh. Check the current table for each marketplace you plan to sell in. Most RV, marine and solar house batteries are far above 300 Wh, so small batteries are usually the realistic Amazon range. Amazon also notes that lithium battery products may be subject to requirements beyond dangerous goods, listed on its product compliance page.

The SDS: what has to match

Amazon’s required information page says an SDS has to:

• be created or updated within the past five years
• include GHS/CLP hazard identification information
• match your listing: the product name on the SDS is the same as the listing title, and the manufacturer or brand on the SDS matches the detail page
• contain all 16 sections

For a private-label battery, that means the SDS needs your brand and model name, not only the factory’s own part number. Our LiFePO4 battery SDS guide explains the 16 sections and what a battery SDS usually contains.

The UN38.3 test summary

Amazon’s lithium battery page says it requires all sellers to upload a test summary at ASIN setup. The test summary itself comes from the transport rules: under 49 CFR 173.185(a)(3), each manufacturer and subsequent distributor of lithium cells or batteries must make a test summary available, and the regulation lists what it must contain.

IATA’s 2026 lithium battery guidance summarises the required elements: the manufacturer, the test laboratory, a unique test report number, the date, a description of the cell or battery (including the mass, Wh rating and model numbers), the tests performed and their results, the revision of the UN Manual of Tests and Criteria used, and the person responsible, with a signature. IATA notes the test summary can be made available on a website, with a QR code or link.

Private label: model names, retests and documents

This is where private-label sellers run into trouble. IATA’s guidance says the provider must ensure that the identifiers used for the product align with the test summary. In practice, a buyer, a carrier or Amazon should be able to trace your brand’s model number to the cell or battery model on the test summary.

• Decide the model number first. Agree how your model number will appear on the test summary, the SDS, the battery label and the listing before you approve artwork.
• Know what triggers a retest. IATA’s FAQ on UN38.3 describes changes that make a new battery type, including a change of more than 20% in Wh or a voltage increase of more than 20%, and changes that might materially affect test results, such as different materials, protective devices (hardware or software), safety design, number of cells or connection mode. A “small” spec change can mean a new test.
• Keep one document set per model. Store the test summary, full test report, SDS and label artwork together, and update them together.
• Plan for 30% state of charge. If the battery ships by air, agree the shipping state of charge with the manufacturer before production.

Our battery certification verification guide shows how to check that a report really covers your model, and our guide to starting a LiFePO4 battery brand covers the wider plan.

Before you ship to Amazon: checklist

1. Wh calculated from nominal voltage, and within Amazon’s range for each target marketplace
2. Model number agreed and identical on the test summary, SDS, label and listing
3. UN38.3 test summary for that model, with the full test report available
4. SDS updated within five years, all 16 sections, with your brand and the listing’s product name
5. Battery attributes filled in from the same documents
6. 30% state of charge agreed if the product ships by air
7. Customs and import paperwork ready; see our LiFePO4 import checklist and HS code guide

Where LJY fits

LJY Energy is a Shenzhen supplier and OEM/ODM coordinator for LiFePO4 batteries, not a manufacturer. For private-label projects we work with the manufacturer so the model number, label, UN38.3 test summary and SDS line up for your brand. UN38.3 and SDS documents are provided per model; certification and testing are arranged per project, with fees borne by the buyer. We can’t promise Amazon will approve a listing; Amazon makes that decision. See our OEM and private-label battery program, the 12V LiFePO4 battery series and our full product range.

FAQ

Can I sell a 12V 100Ah LiFePO4 battery on Amazon US?

A 12.8V 100Ah battery is 1,280 Wh. Amazon’s lithium battery table shows batteries over 300 Wh as rejected for the US. Check the current table in Seller Central before you plan a product around it.

Can I use the factory’s UN38.3 report under my brand?

Only if your product’s identifiers can be traced to the test summary. IATA says identifiers must align with the test summary, and design changes such as a different cell count or protection circuit can make a new battery type that needs testing. Agree this with your supplier before you change anything.

How long does Amazon’s dangerous goods review take?

Amazon says products with complete and correct information are classified within two business days. Incomplete or conflicting information can block the listing for FBA.

Does the SDS need my brand name?

Amazon says the SDS product name should match the listing title and the manufacturer or brand should match the detail page. For private label, that usually means an SDS issued for your brand and model.

Sources

• Amazon Seller Central: Dangerous goods review process (hazmat)
• Amazon Seller Central: Dangerous goods required information and documentation
• Amazon Seller Central: Lithium batteries
• eCFR: 49 CFR 173.185, Lithium cells and batteries
• IATA: Lithium Battery Guidance Document 2026