Renogy Solar Panel, 640W Monocrystalline 2pcs 320W Panel PV Module Power System, High Efficiency for Campervan, Home, Boat, Residential Commercial House

【High-Efficiency N-TYPE Cells with 18BB Design】Renogy panels use premium N-TYPE cells and 18BB technology to boost cell efficiency by up to 25%, improve current collection, and reduce hot spot damage—delivering higher output and longer lifespan. 【Compact Size with Power Output】Delivers the same output with a 13.5% smaller footprint and 17.2% lighter weight. Perfect for RV roofs and tight backyard spaces, generating more power per square foot. 【Enhanced Performance in High Temperatures】The solar panels are characterized by a low temperature coefficient, which means that Renogy's new high-efficiency modules have a much lower power loss than ordinary modules in high-temperature environments, giving them a much better product performance. This enables customers to generate more power even in the summer months or in extremely hot areas. 【Built to Last】This all-weather panel can handle snow, rain, and heat for decades with IP68 protection. Renogy uses low iron-tempered glass and corrosion-resistant aluminum frames support to ensure this panel can perform and withstand all weather conditions. 【10-Year Warranty】This solar panel comes with an excellent 10-year materials and workmanship warranty and a 25-year 80% output warranty.