LONGi
The next advance begins inside the cell
Some manufacturers are best understood through the product on the pallet. LONGi is also worth understanding through the work that happens before it gets there.
The company’s expertise runs through silicon wafers, solar cells and finished modules. Its investment in back contact technology is turning that manufacturing depth into a distinctive product direction: modules designed to extract more performance from the available area, with electrical contacts moved behind the light-facing surface.
For buyers considering what to specify next, LONGi offers a substantial technology story with a direct connection to the equipment they can purchase.
Research with a route into production
Founded in 2000, LONGi has developed a module portfolio reaching from residential buildings to large solar plants. The significance of its manufacturing depth is the ability to develop materials, cell structures and module assembly as connected parts of the same business.
That approach creates an interesting choice for a project team. A new cell architecture can change the equipment available to the designer, opening possibilities for a difficult building or improving an established layout. The useful question is what it allows this particular project to achieve.
Three ranges worth knowing
EcoLife for residential roofs
The EcoLife residential series brings LONGi’s back contact development into modules aimed at high-performance domestic installations. Its appeal combines power density, roof appearance and long warranty periods.
The published LR7-54HJD 495–510M dual-glass specification provides a concrete example: up to 510 W in a 1,800 × 1,134 mm format. For an installer, those dimensions turn the technology discussion into a roof-layout decision.
Hi-MO X10 for distributed solar
The Hi-MO X10 family uses HPBC 2.0 cell technology. Alongside its Scientist range, LONGi’s Guardian variants address requirements including lower module weight, reduced glare and dust accumulation.
That gives the selection more substance than a comparison of wattages. A building’s loading constraints, surroundings or maintenance conditions may shape which version deserves consideration.
Hi-MO 9 for larger solar projects
Hi-MO 9 applies LONGi’s back contact technology to utility-scale requirements, with the published range reaching 670 W and 24.8% module efficiency.
For EPCs and developers, that invites a broader comparison of generation, module count, structures and electrical design across the whole project.
Give the technology a job to do
The strongest case for new equipment begins with a clear objective. More capacity on a building with limited roof area. A design suited to a particular operating environment. A better relationship between the module price and the installation it makes possible.
BMG helps buyers turn those objectives into a purchase. We investigate the relevant LONGi models, obtain the information needed for technical assessment and compare supply options against the programme. A precise requirement also helps us negotiate: the right variant, quantity, destination and delivery window create a much stronger buying brief.
For repeat purchasers, we can plan the move between product generations. Existing commitments continue against their approved specification while the next range is assessed for future work.
Warranty and support
The EcoLife LR7-54HJD model highlighted here carries 30-year warranties for materials and processing and for linear power output. Other Hi-MO families have their own product-cover periods and conditions in LONGi’s warranty library.
For equipment supplied through BMG, contact us with the order reference and affected module details. We can retrieve the supply documentation and help coordinate the manufacturer enquiry.
Shop LONGi with BMG
Explore the current module collection or ask us about a specified project range. We can discuss bulk purchasing, supply options and delivery around your installation programme.
LONGi resources
- Official global website — company, technology and module portfolio.
- European support hub — product information, FAQs and technical assistance.
- Download centre — specifications, installation manuals, certificates and white papers.
- Warranty documents — product-family policies and claim information.
- European news and press — product introductions, projects and company developments.