LONGi Hi-MO 9 module receives industry-first certification for unmatched reliability

By LONGi
February 4, 2026
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LONGi has announced that its Hi-MO 9 HPBC 2.0 module has been awarded full scenario application certification for environments including lakes, deserts, ice and snow and marine areas by China’s National Centre for Supervision and Inspection of Solar Photovoltaic Product Quality (CPVT) and the Huaneng Clean Energy Research Institute (CERI). The award, based on the IEC 63556 standard, follows the product passing over 40 full-scenario test sequences and is the PV industry’s first certification for module reliability across all scenarios.

The award of the “National Quality Preferred” weather resistance test certificate  involves a comprehensive series of simulated tests on the weather resistance of modules in a range of environments. Built on HPBC 2.0 technology, the LONGi Hi-MO 9 module features distinct advantages including excellent hotspot temperature control, superior shade resistance, low degradation and higher energy yield per watt.

To deliver greater life-cycle value to its end customers, LONGi launched a systematic empirical program on the release of the flagship Hi-MO 9, covering multiple key global markets simultaneously to incorporate a range of typical harsh environments including temperate continental climates, tropical regions, arid areas and high-humidity coastal lines, aiming to go beyond laboratory standard conditions to fully evaluate the performance of the product in real operating environments. Data from global customers,  third-party organisations and self-built empirical bases indicated that the Hi-MO 9  demonstrates impressive stability and consistency in actual power generation performance, system economic benefits and environmental adaptability, reports from international technical service bodies consistently showing that, compared with other  current mainstream modules on the market, the product achieves a stable increase in power generation per watt worldwide, with a gain range of between 1.21% and 3.92%.

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