The warranties for the different kinds of panels reflect their different life expectancies. Crystalline panels are usually guaranteed for 20-25 years, while film panels are generally guaranteed for only 2-5 years. Here is how the. To support the bankability of PV projects, PV manufacturers have been offering one of the longest warranties in the world, typically in the range of 25–30 years. 400 Spectrum Center Drive, Suite 1400, Irvine, CA 92618, USA (“Qcells”), or its successors or assigns (“HQCA”), and applies exclusively to Qcells Modules (as defined in Section. A standard solar panel warranty should come with at least 10 years of protection, though many premium options now offer 25 or even 30+ years of coverage.