The standard warranty of five years will remain for the CM and CS central inverter product lines. The warranty extension can be completed by the end customer. To extend the warranty, it is necessary to have the invoice available and register on the company website. In case the end customer does not register, a standard warranty of five years is applicable.
Delta Energy Systems extends its standard warranty for European Solivia string inverter models from five to ten years beginning from the invoice date, May 1.