Longi are known for their high quality, long-lasting, monochrome solar panels, which makes them a great choice. Longi has managed to captivate the industry in a short period through its innovative approach. The company was first
310W LONGi Solar Panel is a highly efficient, low LID Mono PERC 120 cell module that represents the latest half-cut technology. It features black 40 mm frame, black backsheet, 1200mm cables, MC4 connectors, and industry
LONGi 440w Mono PERC w 144 Half-cut Cells (72 cell equivalent). Silver 35mm frame, white backsheet and MC4 connectors w/ 1400mm cable. LONGi 440W solar panels are among the most powerful PV modules on the market.
LONGi PV Solutions. LONGi is on the road of innovation from product innovation to industry change to technological innovation to change the world energy pattern. Facing the application needs of various industries and multiple scenarios,
LONGi produces a wide variety of quality, cost-effective solar panels for residential, commercial and utility-scale solar installations. The current models are the Hi-MO 4 and Hi-MO 5 series, with the new advanced Hi-MO 6
High efficiency modules supplied by LONGi have been applied widely across the globe from grassland on high lands, deserts, water ponds to households. The solar modules benefit customers and local economies with high value
The LONGi Hi-MO 5 solar panel series is also compliant with the IEC 61730, IEC 62941, and UL 61730 certifications. The modules also include an IEC Class C fire resistance under the UL Type 29 certification. Additionally,
However, LONGi managed to match the level of Sunpower, which produces the most efficient solar panels on the market today, using a new P-type Hybrid Passivated Back Contact (HPBC) cell design, which is similar to the well-known IBC cell design, the first solar company in the world to do so.
As for the performance warranty, also known as the power output warranty, LONGi covers the panels for 25 years. At the end of 25 years, LONGi guarantees that the annual output of the solar panels will be at least 84.8% of their original solar energy output at the time of installation.
LONGi Solar offers a 12-year limited product warranty for workmanship and defects and a 25-year performance warranty. The product warranty does not cover normal wear and tear or changes caused by normal use of the system: the modules must be installed and used as they are designed to be.
All of the LONGi Solar panels are also half-cut cell modules, which further increases their efficiency. What solar panel modules does LONGi offer? LONGi offers four main module series, the Hi-MO 7, Hi-MO X6, Hi-MO 5, and Hi-MO 5m -- but only the Hi-MO 5m Series offers panels for residential use.
LONGi Solar only produces monocrystalline products, and the company was largely responsible for driving the solar industry back towards more efficient monocrystalline cells after polycrystalline cell technology previously dominated the market since 2012 due to lower production costs.
The European energy storage market is booming with Germany leading residential adoption (+58% YoY) thanks to €500/kWh subsidies. Italy's new tax credits drive 5.2GWh commercial deployments, while UK grid-scale projects exceed 8GWh with 2-hour duration systems. Key selection criteria: German-certified safety (VDE-AR-E 2510), 10+ year warranties, and VPP readiness. Top-performing products include Sonnen's hybrid inverters (98% efficiency) and BYD's Blade Battery (12,000 cycles @80% DoD). For snowy regions like Scandinavia, consider Huawei's -30°C compatible systems. France mandates carbon footprint declarations - Sungrow's ISO-14067 certified solutions gain preference.
For European homeowners, 5-10kWh systems with 3-phase compatibility are ideal. Top picks: 1) Tesla Powerwall 3 (13.5kWh, 97% round-trip efficiency) for smart home integration; 2) LG Chem RESU Prime for compact urban installations; 3) SMA Sunny Boy Storage for retrofit projects. Critical features: EU-made battery cells (exempt from CBAM tariffs), dynamic tariff optimization (like Octopus Energy integration), and fire-safe LiFePO4 chemistry. Southern Europe demands 85%+ depth of discharge capability, while Nordic markets require -25°C operation. Always verify CEI 0-21 compliance for Italian grid connection and EnWG certification for German feed-in.