Solar light 1>CE, ISO 9001,ISO14001, ISO18000. 2>100,000 hours working time. 3>80% energy saving 4>Pollution Free Solar lightsolar lampsolar system Warranty and Guarantee:Solar Panel: with 25 years life, with 5 years guaranteeBattery: Full capacity, warranty for 2 years.Led source Light: Guarantee for 4 yearsCharger Controller: Warranty for 3 yearsStanding Pole: Warranty for 25 years