News & Insights
Sharing the latest regulatory updates, project experience, and compliance advice in new energy testing and certification.
EU Battery Regulation: EV Battery Carbon Footprint Declaration from 2026
This article explains the EU Battery Regulation's new carbon-footprint declaration requirements and how manufacturers can prepare early.
EV Charger North America Certification: UL 2594, UL 2202 and FCC
For EV charger manufacturers targeting the US and Canada, this article outlines key safety and EMC certification routes and common rectification points.
ESS Battery Safety: Differences and Complementarity of IEC 62619 and UL 9540A
ESS safety certification relies on IEC 62619 and UL 9540A. This article compares their test objects, methods, and authority.
FAQ
What languages does TSINGHU support?
We provide bilingual Chinese and English services. Technical documents, test reports, and certification communications can be delivered in both languages as required.
How long does certification take?
It varies by market and product. Simple CE or FCC projects usually take 2–6 weeks, while complex UL or CCC projects may take 3–6 months. We provide a detailed schedule before kickoff.
Do samples need to be sent overseas?
Some certifications can be tested at partner domestic labs with certificate transfer; others, such as certain North American, Japanese, or Korean certifications, may require overseas shipment. We recommend the optimal route in the project plan.
How is factory audit coaching provided?
We conduct document pre-review and mock audits, accompany the official factory inspection, and assist with non-conformance rectification until approval is obtained.