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Shipping electric scooter batteries from China: UN38.3, MSDS and dangerous goods packing

A lithium-powered scooter shipped from China needs three battery documents before the container can be booked: a UN38.3 test report, a safety data sheet (MSDS/SDS), and dangerous-goods packing certification. The vehicles travel by sea as UN3171, or the loose packs as UN3480/UN3481. Air freight is not a practical route, samples included. Where a battery model has never been tested, budget several weeks for UN38.3 before the first shipment can move.

The three documents, and who produces each

DocumentWhat it isIssued byValid for
UN38.3 test reportEight tests (altitude, thermal, vibration, shock, external short circuit, impact, overcharge, forced discharge) defined in the UN Manual of Tests and CriteriaAn accredited third-party laboratoryThe specific battery model tested
MSDS / SDSSafety data sheet describing chemistry, hazards and emergency handlingThe battery manufacturerThe battery model
Dangerous goods packing certificateChinese export document confirming the outer packaging is certified for the UN classThe packaging maker, endorsed by the local authorityThe packaging batch
Test summaryA public summary of the UN38.3 results; carriers increasingly ask for it alongside the reportThe battery manufacturerThe battery model

Why air freight does not work — including for samples

Airlines apply state-of-charge limits and quantity restrictions to lithium batteries, and most carriers simply refuse a complete vehicle with an installed pack. The result in practice is that a sample scooter takes the same sea route as a production order. Importers who plan a two-week sample cycle and then discover this lose a month.

Plan the calendar backwards

Take your target launch date, subtract sea transit to your port, subtract production, subtract the sample round — and only then decide whether the UN38.3 work has to start this month. For most European and Latin American buyers that pushes the decision point far earlier than expected.

Which UN number applies to your shipment

  • UN3171 — battery-powered vehicle. This is the normal case: a complete scooter with the pack installed.
  • UN3480 — lithium-ion batteries shipped on their own, not inside equipment. Applies to spare packs and to replacement stock.
  • UN3481 — lithium-ion batteries packed with or contained in equipment. Applies to some CKD and SKD configurations depending on how the pack travels.
  • Lead-acid configurations fall under different entries again, and are restricted rather than exempt — do not assume lead-acid means no paperwork.

What to ask your supplier before you sign

  • The UN38.3 report number and the issuing laboratory, not just the claim that one exists
  • Whether the report covers the exact cell and pack you are buying, or a similar one
  • Who pays if the battery model has to be re-tested for your configuration
  • Whether the dangerous-goods packing certificate is held by the factory or the packaging supplier
  • Which UN number the factory intends to declare, and whether your forwarder agrees
Can I ship a single sample scooter by air if the battery is removed?
Removing the pack changes the classification but does not automatically make it shippable — the loose battery still falls under UN3480 and still needs UN38.3 and certified packing. In practice most buyers ship the sample by sea with the pack installed, because splitting the shipment doubles the paperwork.
How long is a UN38.3 report valid?
The report is tied to a battery design rather than to a date. It stops covering you when the cell, the pack construction or the BMS changes. Ask your supplier to notify you in writing of any change to the pack, because a silent component substitution can invalidate the document you are relying on.
Does a lead-acid configuration avoid all of this?
It avoids UN38.3, but lead-acid batteries are still classified as dangerous goods and still require a safety data sheet and appropriate packing. The saving is real but smaller than most buyers assume.
Who is liable if the documents are wrong?
The declarant on the shipping documents carries the immediate exposure, and your customs broker will not accept a declaration they cannot support. Get the document set reviewed by your forwarder before the container is stuffed, not after.

Last reviewed 2026-08 · MOPEDOEM · zzyum666@gmail.com

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