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Export Essentials: UN38.3 vs IEC62133 — Differences and Lead Times
The two core certificates for lithium export: applicable markets, processing time, and common pitfalls.
UN38.3 is the transport-safety certification required for all lithium shipments; IEC62133 targets cell safety and is frequently requested by EU/US buyers.
Lead time is typically 3–6 weeks. Suppliers should start before PACK finalization to avoid delaying delivery.
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