{
  "slug": "faq-lead-time",
  "kind": "FAQ",
  "title": "How long does new-energy product certification usually take?",
  "summary": "Typical ranges when samples and documents are complete, varying by product and market.",
  "published_on": "2026-08-15",
  "body_md": "UN 38.3 takes about 2 to 3 weeks; CE (EMC/LVD) about 3 to 5 weeks; IEC 62619 or UL 1973 about 6 to 10 weeks; system-level UL 9540 and vehicle E-Mark about 8 to 16 weeks. Actual lead time depends on sample quantity, the number of remediation rounds and laboratory scheduling; the project plan sets out milestones and buffers.",
  "regulations": [],
  "certifications": [],
  "source_url": "https://tsinghu.com",
  "verified_at": "2026-08-20",
  "version": 2,
  "urls": {
    "html": "/en/knowledge/faq-lead-time",
    "markdown": "/en/knowledge/faq-lead-time.md"
  }
}