HK Sphere Solar control quality seriously, from solar cells to module, every process need be strictly inspected, to keep panel with high quality before delivery.
All of our solar products would be inspected strictly by our QC team before sending out. In order to provide more guarantee for clients, complete warranty is provided after selling.
Limited Product Warranty - 10 Year Repair Or Replacement.
Limited Peak Power Warranty ≥ 90% - 10 years.
Limited Peak Power Warranty ≥ 80% - 25 years.