Designed for commercial and utility-scale applications, the SunPower Ultra 440W delivers 440W of maximum power output with an impressive 23.39% module efficiency. With its exceptional 23.39% efficiency rating, this panel maximizes power density for space-constrained installations. Backed by a comprehensive 25-year warranty, the Ultra 440W is built for decades of reliable energy production. Measuring 1855 x 1026 x 35 mm and weighing 20.1kg, the Ultra 440W is designed for efficient handling and installation.