The Fronius Reserva is a DC-coupled, high-voltage battery system engineered for highly efficient energy transfer with minimal losses during charging and discharging. Offering flexible capacity options from 6.3 to 15.8 kWh using two to five modular units, it features a stackable, plug-and-play design that eliminates the need for wiring between modules. For greater energy needs, up to four battery towers can be installed in parallel, enabling a total storage capacity of up to 63 kWh.
Unlock true energy independence with the Fronius Reserva. Its DC-coupled design ensures your solar power is stored with minimal energy loss, delivering outstanding efficiency and maximum output. Advanced high-voltage technology enhances your system’s overall return on investment. Paired with the Fronius GEN24 Plus, it delivers rapid charge and discharge performance—perfect for harnessing energy during even brief periods of sunlight. Built with durable lithium iron phosphate (LiFePO₄) cells, the Reserva promises long-lasting performance and peace of mind.
