Pick the brand, walk the weighted checklist, get an authenticity-confidence score and the manufacturer portal to verify the serial. Reject any delivery scoring below 60.
4 reference profiles. Each one has a manufacturer serial portal and a weighted authenticity checklist.
Tick each item only after physically observing or successfully testing it.
Reject the unit and request a different sample. Do not commission.
https://en.pylontech.com.cn/ · serial via authorised partner
Cross-check brand specs in Product Intelligence, run the proposal through Combination Verifier, and audit pricing in Quotation Audit.
Continue the engineering loop — sizing, audit, intelligence, diagnostics, solar/UPS, library.