Technical Center

LONGi specifications, engineering notes and compliance guidance.

Use this resource area to organize questions before requesting project-specific documents.

Selection notes

Power-range, electrical interface and installation topics for first-stage review.

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Compliance context

Applicable IEC 61215, IEC 61730 and regional documentation questions.

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Project brief

Bring application, region and requested document type into one conversation.

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Selection note: TOPCon and heterojunction module choices involve supply availability, temperature behavior, degradation assumptions and bankability. Nominal power and module efficiency must be checked against the current datasheet, test conditions and the project-specific IEC 61215 / IEC 61730 requirements.