Fronius is an Austrian company founded in 1945 and is active in the fields photovoltaics and battery charging technology. It is one the most prestigious (and expensive) brands of solar inverters.
The build quality is fantastic, and they are some the easiest inverters to repair. Spare parts are available readily to official Fronius Service Partners.
Their range of inverters span from small 1.5kW domestic models to huge 150kW commercial inverters.

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