The Sunway SW450M-144 is a full black monocrystalline solar panel with 144 cells and a power output of 460W. It has a positive power tolerance of 0~+5W and highest conversion efficiency of 21.16%. The panel is anti-reflective and anti-soiling which reduces power loss from dirt and dust. It has outstanding performance in low-light irradiance environments and excellent mechanical load resistance certified to withstand high wind loads (2400Pa) and Snow loads (5400Pa). The panel comes with a 30-year warranty for 80% of warranted minimum power output and 30 years liner warranty. It is also Potential induced Degradation (PID) Resistant. The dimensions of the panel are (LWH)(mm) 2094103835mm and it weighs 24.5 kg. The maximum system voltage DC is 1500V and the maximum series fuse is 15A. The operating temperature range is -40℃~ +85℃ .