The Fronius Reserva is an efficient DC-coupled high-voltage battery for storing solar energy with minimal losses. Flexibly expandable with two to five modules, it is perfectly matched to Fronius hybrid inverters – for maximum performance. European data security and fast service ensure maximum reliability.

The heart of your PV system
With the Fronius GEN24 Plus, you can bring 24 hours of sunshine into your home. The hybrid inverter allows you to connect a battery storage system, making you even more independent.

Emergency power for all eventualities
With the Fronius Backup Controller & Backup Switch, you can switch to full backup emergency power mode manually or automatically. These cost-effective switchover components can be installed in the control cabinet to save space and eliminate the need for additional hardware such as switchover boxes.

Take advantage of variable electricity tariffs
The Fronius Energy Cost Assistant uses AI to analyze your PV production, consumption, and electricity prices. It optimizes your storage strategy by charging grid electricity when tariffs are low and using it when prices rise again—directly via the Solar.web app.