Warranty & Insurance

10 Year Product Guarantee

CSUN warrants the product(s) to be free from serious visual defects in materials and workmanship defined by IEC61215, IEC61730 and UL1703 or from defects causing abnormal power output under normal application and use, installation and service conditions as specified in CSUN's installation manual for a period of ten years from the warranty start date.

25 Year Power Output Guarantee

Under normal application, use, installation and service condition (as specified in CSUN's installation manual) CSUN guarantees the following for a period of 25 years after the warranty start date:

CSUN's polycrystalline products shall not have an initial power output of less than 97 % of the minimum output power in CSUN's product datasheet in the first year, thereafter the loss of output power shall not exceed 0.7% per year, meaning that the guaranteed performance after 25 years shall be at the last 80.2%.

Monocrystalline products shall not have an initial power output of less than 96.5% of the minimum output power in CSUN's product datasheet in the first year, thereafter the loss of output power shall not exceed 0.68% per year, meaning that the guaranteed performance after 25 years shall at be at least 80.18%.

CSUN's linear performance warranty for polycrystalline modules
CSUN's linear performance warranty for monocrystalline modules

Please refer to the CSUN's product warranty documentation for detailed terms.

Third-Party Insurance

To further protect our customers’ earnings on their investments and to minimize risks, CSUN offers third-party insurance services in cooperation with Power Guard of America. With this insurance CSUN module guarantees are independent of the company’s business performance. In 2013, CSUN chose the similar YDPIC SolarSafe product as 3rd party insurance for its clients in Japan.

  • 25 years coverage
  • Immediate coverage without waiting periods
  • Worldwide coverage
  • Non-cancellable
  • Helps to meet banks and lender requirements
  • 3rd party bankruptcy rights

The registration for Powerguard insurance is handled by CSUN, who reports the serial numbers of all sold products to Powerguard. Customers can check their Powerguard coverage online (http://powerguardsnverify.com). For further details on this insurance program, please ask your sales representative or get in touch with CSUN's customer service department (customer_service[at]chinasunergy.com).