Original equipment guarantee: quality protection throughout the process

The core components of the solar energy storage system are sourced from renowned brands (e.g., PV modules from LONGi and JinkoSolar, energy storage batteries from CATL and BYD, and inverters from Huawei and Sungrow). Each device comes with a genuine QR code, allowing businesses to scan and verify the device’s production batch, quality inspection report, and other information to ensure there are no refurbished or counterfeit equipment. All equipment meets national Class I energy efficiency standards, with PV module conversion efficiency exceeding 23%, energy storage battery cycle life exceeding 6,000 cycles, and inverter conversion efficiency exceeding 98%. The system also offers a clear warranty: 25 years for PV modules (with power degradation of no more than 20%), 10 years for energy storage batteries (with capacity degradation of no more than 20%), and 5 years for inverters. During the warranty period, if any equipment quality issues are not caused by human error (e.g., module cracking, battery bulging, or inverter failure), the company will respond to after sales requests within 24 hours, providing a free replacement unit of the same model and covering all shipping and replacement costs. This ensures long term stable system operation from the very  beginning.