Yingli Solar offers an overall limited warranty, a 12-year product warranty, and a 25-year performance warranty. The product warranty will cover any issues such as broken panels or malfunctioning panels for up to 12 years. . date (the “Warranty Start Date*”). If a PV Module fails to conform to this Limited Product Warranty during this twelve-year period, Yingli Solar will, at its reasonable option, either (a) repair or replace the defective PV Module or parts without any charges, or (b) refund to the Customer at the. . BaoDing Tianwei Yingli New Energy Resources Co., Ltd (“ Baoding Tianwei YingLi”) warrants its Photovoltaic modules (“PV-modules”) to be free from defects in materials and workmanship under normal, application, installation, use and service conditions. 3, 2025 /PRNewswire/ -- Yingli Solar, a global leader in photovoltaic technology, today detailed its rigorous, multi-layered quality control system, explaining the foundation of its modules' exceptional reliability, high power generation, and industry-leading 30-year. .
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