Comprehensive system and product certification 
IEC61215, IEC61730
TUV, CE
ISO 9001:2015
ISO 14001:2015
ISO 45001:2018
Excellent Power Guarantee
25-year linear power output guarantee
The power attenuation of single crystal modules shall not exceed 2% in the first year,
and the power attenuation shall not exceed 0.55% every year thereafter,
and the module power at the end of the 25-year guarantee period shall not be lower than 84.8% of the nominal power;
*The above power test is carried out under standard test conditions
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