Renogy 250 Watts 24 Volts Monocrystalline Solar Panel Renogy 250-Watt monocrystalline solar panel offers industry leading performance and it's the first step to converting your house to solar Perfect for residential rooftop systems to decrease your electrical bill, or for a large off-grid system commercial and utility systems The monocrystalline panels will give you the most efficiency per space and have the ability to withstand extreme elements and severe weather Guaranteed positive output Tolerance (0-3%), withstand high wind (2400Pa) and snow loads (5400Pa) 25-year transferable power output warranty; 10-year material and workmanship warranty