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Renewable Energy Backup

Renewable Energy SMA BACKUP from 2.2kW to Set S / M / L / XL (to over 60kW for 30minutes).

Solar power – even in the event of grid failure

Greatest performance and user benefits along with the lowest investment and operating costs: in comparison with conventional emergency power systems, the Sunny Backup System scores well. As an ad-on to the PV plant the Sunny Backup automatically switches to stand-alone power supply within approximately 20 milliseconds of a grid failure. Both new and existing PV plants can be equipped with a Sunny Backup System – with no effect on PV efficiency. And the best part: due to the integration of the PV plant, a small and therefore low-cost battery can be implemented as it is usually only needed to bridge the night hours.

Features and Benefits


- Can be integrated into existing and new PV plants
- Pre-configured sets for various performance classes


- Single and three-phase systems are possible
- Modularly extendable
- Capacities from 5 kW to 100 kW available


- Small battery through integration into the PV plant
- Power supply and battery charging over the grid
- Continuously highPV efficiency


- Automatic switchingto backup in only approx. 20 milliseconds
- Automatic disconnection per DIN VDE 0126-1-1 and AS 4777