A Smarter Way to Store Solar Energy
Fronius is about to set a new benchmark in solar battery technology with the Fronius Reserva, a high-voltage, DC-coupled storage system built for seamless integration with Fronius GEN24 Plus hybrid inverters.
Designed to store excess solar energy with minimal losses, the Reserva ensures you make the most of every kilowatt-hour generated – powering your home during the day, at night, and even in a blackout.
Flexible, Scalable and Built to Last
Whether you’re starting small or aiming for maximum storage, the Reserva adapts to your needs:
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Modular capacity – from 6.3 kWh to 15.8 kWh
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Expandable in 2 kWh to 3 kWh steps by adding modules (up to five per tower)
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Parallel operation – connect up to four towers for large-scale storage
With Lithium Iron Phosphate (LFP) pouch cells, you get excellent safety, long cycle life, and reliable performance even in hot Australian summers.
Perfect Match for Fronius Hybrid Inverters
Pairing the Reserva with the Fronius GEN24 Plus hybrid inverter unlocks the full potential of solar + storage:
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DC-coupled design – reduces conversion losses for higher efficiency
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Compatible with Full Backup
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Works seamlessly with Fronius Solar.web for real-time monitoring
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Integrates with the Fronius Backup Controller for automatic switchover in a blackout
Backup Power for Every Situation
With the right setup, the Fronius Reserva ensures your lights stay on and essential appliances keep running when the grid goes down.
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Full Backup – power your entire home when combined with a Fronius Backup Controller
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Fast switchover – minimises downtime during an outage
European Engineering, Australian Ready
Like all Fronius solutions, the Reserva is built to the highest European quality standards and complies with AS/NZS 4777 for safe, grid-connected operation. With IP65 protection, it’s suitable for both indoor and protected outdoor installations, ensuring longevity in Australian conditions.
Key Technical Highlights
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Usable energy: 6.31 kWh – 15.79 kWh per tower
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Max. charge/discharge power: 6.55 kW – 16.38 kW
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Depth of discharge: 94.5%
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Operating temp: -20 °C to +55 °C
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Installation: Indoor or protected outdoor
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Warranty: 10 years
Australis Solar – Your Perth Fronius Specialists
Australis Solar is proud to be at the forefront of this launch. As a Fronius Solutions Partner, we ensure every installation meets Western Power compliance standards and is optimised for Synergy tariffs if eligible– so you get the best return on your investment.
Pre-Register Your Interest
The Fronius Reserva is due for release in Australia soon. Be among the first to experience the next generation of solar storage.
Contact Australis Solar today to secure your spot and receive a tailored proposal for your home.
Compare solar batteries and take the first step towards 24 hours of sun.