{"product_id":"longi-620w-tier-1-bifacial-mono-solar-panel","title":"Longi 620W Tier 1 Bifacial Mono Solar Panel","description":"\u003ch4\u003eThe LONGi Hi-MO 7 620W Monocrystalline Solar Panel is a state-of-the-art power solution engineered for high-demand solar installations. By utilizing n-type TaiRay silicon wafers and HPDC (Hybrid Passivated Dual-Junction Cell) technology, this panel achieves exceptional energy conversion rates. Its bifacial design allows for significant energy gains from the rear side, making it an ideal choice for large-scale utility and commercial applications where maximizing energy harvest per square meter is essential.\u003cbr\u003eKey Features\u003cbr\u003eHigh Efficiency: Achieves module efficiency of approximately 23.0%–23.1% through advanced cell processing.\u003cbr\u003eSuperior Temperature Coefficient: Features an optimized temperature coefficient of -0.28%\/°C, ensuring stable and reliable performance even in high-temperature environments.\u003cbr\u003eBifacial Technology: Offers high bifaciality (approx. 80%), allowing the panel to capture light from both sides to increase overall energy yield.\u003cbr\u003eRobust Durability: Constructed with dual-glass and an anodized aluminum frame to withstand significant mechanical loads, including 5400 Pa front and 2400 Pa rear static loading.\u003cbr\u003eLow-Light Performance: Engineered to maintain efficient energy generation during low-light conditions, such as overcast days or during early morning and late evening hours.\u003cbr\u003eLong-Term Reliability: Backed by a 12-year material and processing warranty and a 30-year linear power output warranty with minimal annual degradation (0.4%).\u003cbr\u003eTechnical Specifications\u003cbr\u003eModel: LR8-66HGD-620M (typical Hi-MO 7 variant)\u003cbr\u003eMaximum Power (Pmax): 620W\u003cbr\u003eOptimum Operating Voltage (Vmp): 40.51V – 40.91V\u003cbr\u003eOptimum Operating Current (Imp): 15.16A\u003cbr\u003eOpen Circuit Voltage (Voc): 48.78V\u003cbr\u003eShort Circuit Current (Isc): 16.05A\u003cbr\u003eDimensions: 2382 × 1134 × 30 mm\u003cbr\u003eWeight: 33.5 kg\u003cbr\u003eWhy Choose the LONGi Hi-MO 7 620W Panel?\u003cbr\u003eFor projects requiring high power density and reliable long-term performance, the Hi-MO 7 is a premier choice. Its combination of high bifacial gain and superior temperature stability ensures a lower Levelized Cost of Electricity (LCOE) and maximum return on investment for commercial and utility-scale solar farms.\u003cbr\u003eNext Steps\u003cbr\u003eNeed expert guidance on calculating the string configuration or system design for these high-performance panels? Contact the Solar Strength team today for a free consultation.\u003c\/h4\u003e","brand":"Forntech","offers":[{"title":"Default Title","offer_id":52781884277019,"sku":"FT-SOL-LGI-620W-BIF","price":1650.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1025\/9768\/9627\/files\/WhatsApp-Image-2026-06-29-at-11.10.50.jpg?v=1786279084","url":"https:\/\/forntechstore.com\/products\/longi-620w-tier-1-bifacial-mono-solar-panel","provider":"Forntech","version":"1.0","type":"link"}