Guarantees – Quality We Trust: Solar Panels: 10-year warranty against manufacturing defects Lifespan of up to 25 years Inverter: 1-year warranty against manufacturing defects Connections and Wires: 1-year warranty against manufacturing defects Operating Policy: This system is exclusively designed to operate a 15 HP submersible pump only and cannot operate any other loads. The company is not responsible for operating additional loads other than what is specified in the description.