Pylontech batteries US5000 X 4 (18.240 kWh usable)

Pylontech warrants that the Product will be free of defects caused by improper workmanship or defective materials. This warranty commences the period of Seven (5) years from the earlier of: 1. the date of installation of the Product; or 2. six (6) months after the date the Product was manufactured, This warranty does not include any accessories and tool kit items provided with the Product. This warranty only covers the repair or replace of a defective Product. Pylontech will repair or replace the Product if the Product is defective and returned during the Warranty Period. The repaired or replaced product will continue the original remaining warranty period. In either case it shall not justify as a renewal of the warranty period. NOTE - You can register the Pylon US5000 for an additional 5 years of manufacturer warranty for free. Go to http://www.pylontech.com.cn/service/support and complete the information in the 'sign up battery' page.