Exporting Lithium-Ion Cells and Packs from China: A Guide to UN38.3 Reports, MSDS Wording and Dangerous-Goods Port Filing Windows

Information date: 12 October 2026 — Lithium-ion cells and packs shipped from China are regulated dangerous goods: UN 3480 for cells alone and UN 3481 for cells packed with or contained in equipment, both Class 9. Air exports need a UN38.3 test report with the T1 to T8 summary, an MSDS drafted to current wording, and a shipper's declaration, while sea shipments follow the IMDG Code with different packing instructions. Knowing that statement is not enough for an operating, research or compliance decision. The team must first establish who and what it applies to, how the effect reaches the real process, and which evidence would justify action.

Verified facts and scope

Lithium-ion cells and packs shipped from China are regulated dangerous goods: UN 3480 for cells alone and UN 3481 for cells packed with or contained in equipment, both Class 9. Air exports need a UN38.3 test report with the T1 to T8 summary, an MSDS drafted to current wording, and a shipper's declaration, while sea shipments follow the IMDG Code with different packing instructions.

Applies to manufacturers, trading companies and forwarders moving cells and packs by air, sea or road. Confirm the watt-hour rating, state of charge, whether goods travel alone or inside equipment, the applicable packing instruction number, and the port cut-off for dangerous goods filing.

How the effect reaches operations

Thermal runaway risk drives the classification. Carriers accept lithium cargo only against a valid UN38.3 report and matching MSDS wording, and the transport document, package marks and test summary must all describe the same cell or pack model, otherwise the consignment is reclassified or refused.

Test reports covering a different model number, MSDS entries that do not match the tested cell, packing instruction 965, 966 or 967 declared under the wrong section, and missed port filing windows that push cargo to a later vessel or trigger carrier refusal.

For “Exporting Lithium-Ion Cells and Packs from China: A Guide to UN38.3 Reports, MSDS Wording and Dangerous-Goods Port Filing Windows”, official rules or published findings, direct evidence from the relevant product or process, and assumptions that remain untested should be recorded separately. A broad source defines the external boundary; it does not replace batch records, protocols, contracts, labels or direct observations.

Decision

For cells above 100 Wh, treat the shipment as fully regulated dangerous goods and book a filing window with margin. For small packs below the threshold, confirm the exception genuinely applies to your configuration before assuming simplified paperwork.

Implementation checklist

1. Match the UN38.3 report, MSDS and packing instruction to the exact model.
2. Send drafts to the carrier for written acceptance before booking.
3. Diarise the dangerous-goods filing cut-off for every departure port.
4. Assign one decision owner, one implementation owner and a dated review point for “Exporting Lithium-Ion Cells and Packs from China: A Guide to UN38.3 Reports, MSDS Wording and Dangerous-Goods Port Filing Windows”.
5. For “Exporting Lithium-Ion Cells and Packs from China: A Guide to UN38.3 Reports, MSDS Wording and Dangerous-Goods Port Filing Windows”, archive the source page, access date, applicable population or entity, and internal evidence both supporting and opposing the current decision.
6. When a rule, formulation, supplier, protocol or observed result changes, reopen only the affected question in “Exporting Lithium-Ion Cells and Packs from China: A Guide to UN38.3 Reports, MSDS Wording and Dangerous-Goods Port Filing Windows”.

Evidence and review

For “Exporting Lithium-Ion Cells and Packs from China: A Guide to UN38.3 Reports, MSDS Wording and Dangerous-Goods Port Filing Windows”, start with one real case rather than an abstract checklist. Record the input version, responsible owner, start time, observed result and stop condition. If the team cannot complete “Match the UN38.3 report, MSDS and packing instruction to the exact model.” with current evidence, it should not expand the process to more products, patients, suppliers or markets. The first review should focus only on facts capable of changing the decision.

The second control follows “Send drafts to the carrier for written acceptance before booking.”. Keep the source date, applicable population or entity, deadline, cost effect and owner in the same evidence file. A wording preference does not justify a new version. A repeated discrepancy, an unsupported health claim or a regulatory mismatch does: correct that point and hold release until the evidence is available.

After “Diarise the dangerous-goods filing cut-off for every departure port.”, compare the intended outcome with what actually happened. Apply the same success criteria to each later expansion. If only one number, date or responsibility changes, update that field and the affected conclusion instead of recreating evidence that remains valid. This keeps the decision traceable without turning review into an open-ended rewrite cycle.

Limits of the conclusion

Guidance only; carriage acceptance depends on the airline, shipping line and the current IATA and IMDG editions.

Primary sources

• IATA Dangerous Goods Regulations
• General Administration of Customs