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About LONGi

Founded in 2000, LONGi is committed to being the world’s leading solar technology company, focusing on customer-driven value creation for full scenario energy transformation.

Under its mission of ''Utilizing Solar Energy, Building a Green World'' and brand philosophy of ''Steadfast and Reliable Technology Leadership'', LONGi has dedicated itself to technology innovation and established five business sectors, covering mono silicon wafers, cells and modules, commercial & industrial distributed solar solutions, green energy solutions and hydrogen equipment. The company has honed its capabilities to provide green energy and has, more recently, also embraced green hydrogen products and solutions to support global zero carbon development.

LONGi PV Solar Panel Core Advantages

  • Half-Cell

    The power output of a bifacial half-cell module increases and energy yield is higher under high irradiance conditions because of low working current.

  • Mechanical Load

    Framed module, front/back side maximum static loading 5400/2400 Pa, makes it suitable for tracker mounts.

  • High Rating

    Glass and junction box, with high voltage grade, supports 1500V systems.

  • Bifacial Energy Yield

    Additional power generation from the backside of bifacial modules increases the overall energy yield, which has been verified by customers and third-party testing organizations.

  • Multi-busbar Design

    Our nine-busbar design improves current collection capability.

  • Low Degradation

    Anti-LID, anti-PID, 1st year degradation ≤2%, linear degradation ≤0.45%/year.

  • Standard Module

    Our standard module is fully compatible with mainstream inverters and trackers, with no system matching issues.

  • Gallium-doped Technology

    Gallium-doped technology overcomes LID degradation and guarantees the long-term power generation of the module.

FAQs

LONGi has two series of solar module products: Hi-MO 4, Hi-MO 5. and each series contains bifacial and monofacial module. Hi-MO 4 and 54-cell type Hi-MO 5m is mainly used on industrial, commercial and residential roofs. Both bifacial and monofaical of Hi-MO 5 with 72-cell is mainly for large ground-mount power plants.
Bifacial modules are slightly more expensive than monofacial modules, but can generate more power under the right conditions. When the rear side of the module is not blocked, the light received by the rear side of the bifacial module can significantly improve energy yield. In addition, the glass-glass encapsulation structure of the bifacial module has better resistance to environmental erosion by water vapor, salt-air fog, etc. Monofacial modules are more suitable for installations in mountainous regions and distributed generation rooftop applications.
LONGi took the lead in working with domestic and foreign institutions and customers to carry out empirical testing of bifacial modules for PV power plants, systematically studying the power generation mechanisms of bifacial modules. LONGi also leads the industry in bifacial module shipments, surpassing 20 GW+, while providing customers with reference data and technical support.
LONGi has the largest module production capacity in the industry, with more than 65 GW in its integrated capacity network fully guaranteeing the supply of modules. In addition, the production network facilitates the global distribution of modules with the help of land transportation, railway transportation and sea transportation.
LONGi launched Life-cycle Standards to guarantee the whole life-cycel quality.LONGi's Integrated capacity layout can guarantee the traceability of each module, and our highly automated production lines feature end-to-end inspection and analysis processes to ensure that each module meets the highest quality standards. We select module materials according to the highest standards, with the requirement that all new materials be subject to extended qualification and reliability tests before being incorporated into our products. Third-party labs like RETC and PVEL have ranked our modules among the highest quality products on the market.

LONGi adds 54-cell module to its Hi-MO 5 product line

Leading solar technology company LONGi, headquartered in Xi'an, China, announced today that it has released a new module, the Hi-MO 5m 54c. With 54 cells, this new Hi-MO 5m module is designed mainly for residential and C&I rooftop systems, produces a maximum power output of 415W, and achieves an efficiency of 21.25%.

The new Hi-MO 5m 54-cell module will expand LONGi’s award-winning Hi-MO 5 product line, which has seen unprecedented popularity in large-scale installations thanks to its advanced technology, reliability, and excellent performance. The addition of this new module makes the Hi-MO 5 product family available as well for small and medium-sized C&I applications.

Hi-MO 5 products use M10 (182mm) industry standard solar cells. Boundary conditions for design and application of PV modules must account for varying conditions across different links of the supply and value chain. The Hi-MO 5m’s 182mm half-cut cells have proven to be optimal for all manufacturing processes, from ingots and wafers to cells and modules. They are also optimal for module deployment processes, transportation, installation, and overall system integration.

Hi-MO 5m 54-cell modules feature PERC Gallium-doped p-type half-cut cells with the highest resistance against light aging (lowest LID) for maximum energy yield and are backed with a 25-year performance warranty. This technology has won performance and technology awards from the Renewable Energy Testing Center (RETC) and PV Evolution Labs (PVEL).

The Hi-MO 5m performs well in low-light conditions (such as morning and evening) and even unfavourable lighting angles, with excellent temperature coefficients. Moreover, integrated segmented ribbon technology traps more light into the solar cell, simultaneously reducing cell stress.

With a module size of 1722mm by 1134mm, the Hi-MO 5m 54-cell module offers a higher standard of design and versatility, easy handling and installation. The Hi-MO 5m 54-cell series supports most standard mounting systems clamping on the long and short sides of the module frame, as well as lay-in or slide-in systems and elevation systems with module edge clamping. The modules are also compatible with most popular inverters. Their short circuit current is low and well below 15 Amps. At less than 2m² in size and less than 23kg in weight, the module small and light enough for one person to install.

The Hi-MO 5 series won LONGi the 2021 Intersolar Award for its advanced technology and innovation. By the end of 2021, Hi-MO 5 modules with 72 cells (144 half-cut cells) had been supplied to some 600 clients in 57 countries, with cumulative shipments exceeding 10 GW.

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