Industry-leading, Complete-system Warranty

Cosun® Complete
Confidence Warranty
vs Conventional Solar
Battery Warranty
  Complete system
  Removal of defective part
  Installation of new part
10 years   Product warranty term 5 years
Whole System   Product warranty term Battery Performance & Capacity only


The only solar warranty to cover your complete system for 10 years—including performance, labor and parts. We have absolute confidence in our panels’ ability to deliver more energy, reliability and savings over time.

The most comprehensive complete-system warranty in the solar industry.

sunpower plug                                                                      panel product                                                           service - fix

       Power                                              Product                                          Service

The highest power output                 Coverage for defects related to                  Hassle-free replacement, repair or
protection in the solar Battery         workmanship and materials for                     reimbursement for any defective parts
industry: 92% in year 10.                10 Years