In this video, we'll show you *how to test and verify Longi Himo-5 & Himo-6 solar panels* using the latest *barcode and QR code scanning system**. At the key node of intergenerational transition of global Photovoltaic (PV) technology, the back contact (BC) cell technology is leading the new-generation PV technology paradigm revolution, becoming the core engine to drive industry cost reductionand efficiency improvement and realize energy. edure, describing the steps, and tests to be followed. Detailed checklists have been delivered to rve s records of the pr re generally accepted and employed in the PV industry. For example, a PID loss of 5%, which is the pass/fail threshold of t e related IEC standard, wil ref ect the products. PVTIME – On 12 June, during SNEC 2025, LONGi the PV giant unveiled a landmark initiative at its stand, bringing together eight leading certification and testing bodies to set new standards for the PV industry. This Test Report is for the testing of the PV Module Frames only, and does not cover the supporting elements/ rails and or associated fixings of the tested panels to the. How to Check Longi A-Grade Solar Panel | A-Grade Solar Panel Testing | Mr Engineer ☀️ *Want to verify if your Longi solar panel is A-grade?* In this video, we'll show you *h. For professional installers, EPC contractors, and solar wholesalers across Europe, this certification.