Warranty and guarantee. Linear output 25 years: 89.4% power output, 30 years: 87.4% power output. Withstand strong. Snow load 5400Pa. Wind load 2400Pa. PID resistance. Power positive tolerance: 0+-3%. The attenuation probability of PID phenomenon is minimized through battery production technology optimization and material control. R&D and production. Advanced production line. Bifaciality>80%, efficiency improves backside power generation. The leading solar cell cutting process and multi busbar design with SUNPRO Technology. High efficiency. N-type, components have better reliability and lower LID/LETID attenuation. Efficiency can reach 22.64%. Excellent low light performance. Higher power output under the conditions of haze, overcast, ect.