Flexible Energy Storage for Scalable Solar Installations

The Fronius Reserva 3.15kWh Battery Module is a cutting-edge, modular, high-voltage lithium iron phosphate (LFP) battery solution designed for seamless integration with Fronius hybrid inverters. Tailored for both residential and commercial solar applications, this battery module stands at the core of the Fronius Reserva storage system, delivering unmatched performance, safety, and reliability, with the quality assurance of European manufacturing.

Designed for Modular Expansion

Each Fronius Reserva 3.15kWh Battery Module brings to the table 3.15kWh of usable capacity, enabling system scalability from two to five modules (maxing out at 15.79kWh). This modular design is perfect for addressing growing energy needs or phased project deployments, all without the need to overhaul the existing system infrastructure.

Optimised for Fronius Hybrid Inverters

Compatibility with Fronius GEN24 Plus hybrid inverters means the battery module promotes efficient DC coupling, rapid response times, and robust backup power solutions with the aid of Fronius Backup Controller and Backup Switch. This synergy facilitates plug-and-play system integration and comprehensive system monitoring via the Fronius Solar.web platform.

Compact Design, Reliable Operation

Weighing just 33.5kg and with dimensions of 360 — 780 — 176 mm, the Fronius Reserva 3.15kWh Battery Module is ideally suited for both wall-mounted and stacked configurations in indoor or semi-protected outdoor locations. It boasts reliable operation across a broad temperature spectrum from -20°C to +55°C, ensuring performance resilience in various climatic conditions.

European Quality and Safety Standards

Adhering to stringent European manufacturing standards, this battery module is certified under IEC62619:2022, CE, VDE 2510-50, and UN38.3. With an IP65 rating and backed by a 10-year warranty, it guarantees peace of mind with every installation, signaling a commitment to durability and user safety.

Key Specifications

• Usable Capacity: 3.15kWh per module
• Battery Chemistry: Lithium Iron Phosphate (LFP)
• Rated Voltage: 102.4V
• Weight: 33.5kg
• Protection Rating: IP65 (indoor/protected outdoor use)
• Warranty: 10 years