The Fronius Reserva is now available to order from Wind & Sun.
Be independent and use your solar energy around the clock. The Fronius Reserva is a high-voltage battery with DC coupling that ensures particularly effective and efficient energy transfer.
With capacities from 6.3 to 15.8 kWh with two to five modules, it adapts flexibly to your needs. Perfectly matched to Fronius hybrid inverters, it integrates seamlessly into your photovoltaic system. Your data remains secure because it is stored exclusively on European servers. The proven Fronius Service and Support is always on hand to provide fast and reliable assistance for your entire system.
Experience freedom, security and efficiency in a perfectly designed complete system.
- 6.3-15.8kWh per tower
- Up to 4 parallel towers for a maximum capacity of 63.2kWh
- IP 65
- Warranty: 10 years, 80% usable capacity

Fronius Reserva
The Fronius Reserva is an efficient DC-coupled high-voltage battery for storing solar energy with minimal losses. It can be flexibly expanded with two to five modules and is perfectly matched to Fronius hybrid inverters - for maximum performance. European data security and fast service ensure maximum reliability.