Designed for commercial and utility-scale applications, the S-Energy Standard 390W delivers 390W of maximum power output with an impressive 20.44% module efficiency. The optimized 20.44% efficiency rating makes this module a reliable and cost-effective choice for large-scale solar deployments. Backed by a comprehensive 25-year warranty, the Standard 390W is built for decades of reliable energy production. Measuring 1722 x 1134 x 30 mm and weighing 18.9kg, the Standard 390W is designed for efficient handling and installation.