the product is applied to household and small commercial rooftop photovoltaic power stations, with a power range of 8kw~150kw. with its flexible component adaptation ability, extremely high protection and anti-corrosion level, excellent dc overload and overload capacity, complete ac/dc side protection function, friendly grid connection characteristics, and convenient operation and maintenance tools, we create an extremely safe, reliable, efficient, and intelligent rooftop photovoltaic power station for users.