Fronius batteries are the manufacturer's premium, modularly expandable energy storage solutions, specially developed for integration with Fronius hybrid inverters. The Fronius Reserva series are based on lithium iron phosphate (LiFePO₄) technology, which guarantees a long service life, high efficiency and complete safety. These batteries allow the solar energy produced to be used locally to the greatest extent possible, thereby reducing grid dependency and energy costs.

Fronius batteries feature real-time energy management, an intelligent communication system and flexible expansion options, making them perfectly suited to both domestic and commercial applications. Reliable Austrian production, Fronius Solar.web remote monitoring and a long warranty period ensure that these energy storage devices offer the highest level of efficiency and reliability in every system.