Aiko N-Type 600W photovoltaic modules are considered one of the most efficient solar modules on the market. The n-type ABC (All Back Contact) technology allows a cellular efficiency of more than 23%, a temperature coefficient -0.29%/ºC, and a degradation in the first year of less than or equal to 1% and of less than0.35% in the second to 30 years. Product warranty 15 years and 30 years module efficiency warranty.