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Manufacturer information

Fronius International GmbH (Austria) develops solar inverters and storage solutions. Fronius Reserva is a DC-coupled high-voltage battery, optimized for use with Fronius GEN24 Plus and Fronius Verto Plus hybrid inverters. It delivers high efficiency, supports parallel expansion (up to 4 batteries), and comes with a 10-year warranty. Certifications: IEC 62619, IEC 62477, VDE 2510-50, CE, UN38.3.
 

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.

Product description

The Fronius Reserva battery module (3.15 kWh) is an individual LFP battery block, designed as part of the Reserva 12.6 system (4 modules in total). Rated voltage: 102.4 V, usable capacity: 3.15 kWh, depth of discharge 94.5%. Module size: 250 × 780 × 176 mm, weight 33.5 kg. The system is suitable for indoor or protected outdoor installation (IP65), operates at −20 to +55 °C, and is compatible with Fronius GEN24 Plus and Verto Plus inverters. Up to 4 batteries can be connected in parallel to achieve larger capacities.