Quality features and guarantees for solar modules

[bhasan01854]

modules
When choosing solar modules, quality assurance and guarantees are key. High-quality modules offer long guarantee periods and reliable performance.

product warranty and performance guarantee
Manufacturer warranties include product and performance warranties. The product warranty covers defects in materials and workmanship, often for 10 to 25 years. The performance warranty guarantees a minimum level of performance, usually 90% after 10 years and 80% after 25 years.

type of guarantee Typical duration cover
product warranty 10-25 years material and processing defects
performance guarantee 25-40 years 90% after 10 years, 80% after 25 years
certifications and testing procedures
Certifications confirm compliance with bulgaria mobile database safety and quality standards. Well-known test marks such as IEC, UL or TÜV give buyers security. The modules are subjected to strict tests according to IEC standards, often supplemented by voluntary manufacturer tests.

manufacturers and their reputation
The reputation of the manufacturer is crucial for long-term warranty claims. Brands such as SunPower, Luxor, Meyer Burger, REC and LONGi are considered reliable. They often offer customer-friendly warranty conditions and support with the warranty processing.