Perfect Size for Class B Vans This 175W N-Type panel is 3.9% smaller and 4% lighter than its predecessor, offering the same power output in a more compact, space-saving design, perfect for tight spaces in CLASS B VANs. 25% Cell Efficiency Renogy's 175W N-Type panels feature 25% efficiency, with advanced 16BB cell technology for better energy conversion, reduced microcrack risks, and superior performance, especially in high temperatures. Ideal for Hot Climates Low temperature coefficient ensures better performance in high temperatures, making it perfect for off-grid use in hot environments. Built to Last Designed to endure decades of snow, rain, and heat, this all-weather panel features low-iron tempered glass and a corrosion-resistant aluminum frame with polyamide corner supports for lasting durability. Long-Term Reliability Low degradation ( 1% in the first year, 0.4% annually).