The company is committed to producing a reliable solar panel module. The experience shows that polycrystalline is much more competent than amorphous PV panels, such as flexible thin film. Our monocrystalline technology is superb for many more years over amorphous. We make every effort to assure that our products meet high quality and durability standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 180 days from the date of purchase.