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Do the solar panels come with a warranty?

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Yes, the panels come with a warranty. LONGi Solar panels come with a 25 year limited product warranty and a 30 year linear performance warranty.

The product warranty covers defects in materials and workmanship, while the performance warranty covers the panel's power output over time. The warranty start date is the date of delivery or six months after the modules are shipped, whichever is earlier.

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