FRONIUS RESERVA PRO: ENERGY STORAGE FOR HIGH POWER DEMANDS
The Fronius Reserva Pro is a stackable, scalable high-voltage lithium iron phosphate (LFP) battery energy storage system. It is the ideal storage solution for large residential buildings, commercial businesses and agricultural operations where high energy requirements need to be reliably covered: a storage capacity of 12 to 32 kWh with 3 to 8 modules per tower, expandable to a maximum capacity of 128 kWh using up to four battery towers connected in parallel. DC-coupled to Fronius hybrid inverters, it increases self-consumption while reducing energy costs.
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01 — FLEXIBLE SCALABILITY
The Reserva Pro grows with your energy needs. Depending on your requirements, it offers a storage capacity of 12 to 32 kWh with 3 to 8 modules per tower — and can even be expanded to a maximum capacity of 128 kWh using up to four battery towers connected in parallel.
02 — BACKUP POWER & BLACK START
Used in combination with a Fronius hybrid inverter with backup power capability (Verto Plus or GEN24 Plus) and the appropriate backup power changeover, the Reserva Pro keeps the building running even in the event of a power outage: essential loads can continue operating while the system automatically restarts itself. The battery is backup power and black start capable, so it can continue to be charged and discharged even during a grid failure.
03 — AI-SUPPORTED ENERGY MANAGEMENT
The Fronius Energy Cost Assistant uses modern AI algorithms to continuously analyse your PV yield, energy consumption and current electricity prices, and optimally adapts the storage strategy accordingly. Commissioning, monitoring and energy management are handled within the Fronius Solar.web ecosystem.
04 — MAXIMUM SAFETY
Lithium iron phosphate (LFP) batteries are known for their high thermal and chemical stability. The multi-level safety design and intelligent safety monitoring systems ensure safe operation throughout the total life cycle of the batteries. The system carries an IP65 protection rating, and Fronius provides a 10-year warranty (80% SOH).
COMPATIBLE INVERTERS
The Reserva Pro is DC-coupled with the Fronius Primo GEN24 Plus and Symo GEN24 Plus hybrid inverters and the three-phase Fronius Verto Plus. In combination with the Fronius Verto Plus, efficient DC coupling enables high charging and discharging power of up to 28.3 kW for large loads. DC coupling avoids multiple conversions and increases the overall system efficiency.
KEY TECHNICAL FEATURES
- • Lithium iron phosphate (LFP) chemistry — high-voltage battery
- • Storage capacity 12 to 32 kWh per tower, 3 to 8 modules per tower
- • Up to four battery towers in parallel — maximum 128 kWh
- • DC-coupled with Fronius Primo GEN24 Plus, Symo GEN24 Plus & Verto Plus
- • Charging / discharging power up to 28.3 kW with Verto Plus
- • Backup power and black start capable with a compatible Fronius inverter
- • Stäubli MC4 EVO STO DC connectors — Modbus (RS485) communication with the inverter
- • Multi-level safety design and intelligent safety monitoring
- • IP65 protection rating
- • 10-year manufacturer warranty (80% SOH)
- • Commissioning, monitoring and energy management via Fronius Solar.web
APPLICATIONS
Large residential buildings, commercial businesses and agricultural operations: self-consumption optimisation with storage, dynamic electricity-price optimisation, backup power, and sites with weak or unstable grids. The Reserva Pro complements Fronius hybrid inverters within the Fronius energy ecosystem.
