Fronius is a well-established Austrian technology company known for its innovation and high-quality products. It operates in three core business sectors: Solar Energy, where they are a leading manufacturer of residential and commercial solar inverters; Perfect Welding, a division that develops advanced welding systems and solutions; and Perfect Charging, which specializes in intelligent battery charging technology for industrial and automotive applications. The company is committed to sustainable solutions and has a strong global presence, with its brand being synonymous with reliability and technological advancement in each of its markets.

The Fronius Verto Plus 15.0–33.3 is a three-phase hybrid inverter for agricultural and small businesses, larger family homes, and apartment buildings. Paired with a battery storage system, it increases self-consumption and keeps large loads powered around the clock, and its three-phase backup power supply takes over during grid failures. Available from 15 to 33.3 kW with 3 MPPTs, 6 DC inputs, integrated AC/DC surge protection and AFCI arc fault protection, rated IP 66 for indoor and outdoor installation.