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The Fronius Reserva 3.15 kWh revolutionizes residential solar energy storage with its ultra-flat design, just 176 mm deep. This high-voltage modular battery uses secure Lithium-Fer-Phosphate (LFP) technology and offers scalable capacity from 6.3 to 15.8 kWh depending on your needs.
Key features
Product available soon, arriving early October.
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Fronius Reserva Solar Battery - Modular High Voltage Storage 3.15 kWh
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High-voltage energy storage battery - Intelligent modular solution
The ultra-compact, scalable solar storage solution that revolutionizes your energy independence
Product overview
The Fronius Reserva revolutionizes residential solar energy storage thanks to its ultra-slim design and advanced high-voltage technology. This modular battery offers an intelligent storage solution that adapts perfectly to your energy needs, with particularly efficient DC coupling.
At just 176 mm deep, the Reserva system is easy to install in the tightest of spaces, even behind a door or in a cramped equipment room. Its high-voltage technology optimizes the profitability of your photovoltaic system.
Modularity & scalability
- Capacity :
6.3 to 15.8 kWh
- Up to 4 batteries in parallel
- Flexible extension
Maximum efficiency
- High-voltage technology
- Lossless DC coupling
- GEN24 Plus compatible
Enhanced safety
- Full certifications
- Secure LFP technology
- IP65 protection
Complete range
Technology: Lithium Iron Phosphate (LFP)
Maximum current: 32 A (limited by inverter)
Parallel operation: up to 4 Reserva batteries
Operating temperature : -20°C to +55°C*
Humidity range: 5-95%.
Maximum altitude: 2,000 m
Installation: Protected indoor and outdoor areas
Protection rating: IP65
Interfaces: Modbus (RS485)
DC connection: 4x Amphenol
Warranty: 10 years
*Depending on temperature, charge/discharge capacity may be limited
Fronius now offers a complete ecosystem for 24 hours of sunshine. The Reserva integrates seamlessly into your existing photovoltaic system, with a single point of contact for service and maintenance.
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