The Fronius Reserva Pro is the latest energy storage solution developed by the renowned Austrian manufacturer, combining flexibility with premium European manufacturing quality. This high-voltage DC storage system is specifically optimized to serve projects with significant energy demand, agricultural facilities, SMEs, and larger residential buildings.

The Reserva Pro systems offer seamless integration with the Fronius GEN24 Plus and the new Fronius Verto Plus hybrid inverters, enabling maximum energy independence.

Key advantages of the Fronius Reserva Pro:

• European manufacturing and data security: Both development and production take place in Europe, guaranteeing the highest safety and quality standards.

• Outstanding warranty conditions: 15-year manufacturer warranty with over 80% capacity retention (SOH).

• Industrial-level scalability: A single unit can be configured from 11.9 kWh to 31.9 kWh, and by paralleling 4 towers, a total capacity of up to 127.6 kWh can be achieved.

• Safe LFP technology: Cobalt-free lithium iron phosphate cells ensure maximum safety and long service life.

• Installer-friendly concept: Modular, stackable design with Plug & Play connections that minimize on-site installation time.

Technical specifications:

• Efficiency: >95% (round-trip)

• Environmental protection: IP65 rating (for indoor and protected outdoor operation)

• Communication interface: CAN / Modbus RS485

• Certifications: IEC62619, VDE2510-50, CE, UN38.3

• Expected availability: Spring 2026