€11,775.05
- Delivery time:
Currently out of stock, delivery time: 15-17 working days
- Item-No.: 114144
- Manufacturer-No.: SI50-20
- Product-Weight: 104 kg
- Shipping info: Spedition
SMA Sunny Island X 50 Battery Inverter 50 kW
The new Sunny Island X is a versatile battery inverter suitable for both on-grid and off-grid installations. As the central element of your system, it ensures that self-generated solar power is stored and made available around the clock. Thanks to the Sunny Portal interface powered by ennexOS, all components of the Sunny Island system can be visually monitored, and energy flows can be tracked. Flexibility and reliability define the Sunny Island X. With its wide temperature range, it can operate even under extreme temperature conditions. Intelligent load and energy management ensure stable operation even in critical situations. With the Sunny Island X, SMA offers a robust battery inverter with up to 10 years1) warranty.
Features:
- Nominal power maintained even at high temperatures (45°C)
- Modular scalability in AC power and battery capacity for on-grid and off-grid installations
- Compatible with a wide range of approved batteries thanks to an integrated DC-DC converter
- 10-year warranty (5 + 51))
- Developed according to 100% SMA Quality Standards and Made in Germany
| Technical Data | |
| Inverter Type: | Battery Inverter |
| Model Name: | SI50-20 |
| Rated Power at Nominal Voltage: | 50000 W |
| Max. AC Apparent Power: | 50000 VA |
| Max. DC Power (Battery Connection): | 51000 W |
| Battery Type: | Li-ion (Modbus TCP or CAN bus) |
| Product Warranty: | 10 years1) |
| Dimensions: | 772 x 837.3 x 443.8 mm |
| Weight: | 104 kg |
For more information, please refer to the data sheet.

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- Photovoltaic experts since 2008
- Only original products from top brands
- Short response times to inquiries
- 2% discount for prepayment
- Short delivery times
- Collection of in-stock items possible
Manufacturer
SMA Solar Technology AG
Sonnenallee 1
34266 Niestetal
Germany
Tel. / Fon: +49 (0) 561 95 22-0
E-Mail: info@SMA.de
Web: www.sma.de
Economic operator
SMA Solar Technology AG
Sonnenallee 1
34266 Niestetal
Germany
Tel. / Fon: +49 (0) 561 95 22-0
E-Mail: info@SMA.de
Web: www.sma.de
Safety Instructions:
- Installation by qualified personnel: Installation must only be carried out by qualified electricians or other qualified personnel.
- Work with the system switched off: Switch off all power sources (AC and DC) and verify that the system is de-energized before installation.
- Ensure grounding: The inverter and the entire system must be properly grounded to ensure safety.
- Ensure ventilation: Install the inverter in a well-ventilated location to prevent overheating. Observe the minimum clearances recommended by the manufacturer.
- No contact with flammable materials: The inverter must not be installed near flammable or explosive materials.
- High voltage hazard: Inverters operate at high DC and AC voltages. Do not touch any exposed wires or connectors.
- Use correct cables: Use only cables and connectors recommended or certified by the manufacturer.
- Observe polarity: Ensure the DC side is connected with correct polarity to avoid damage to the device.
- Do not work while connected: Never open or work on the inverter while it is live.
- Install surge protection: Protect the inverter and system from surges by installing surge protection devices and appropriate fuses.
- Ensure the device is de-energized: Before any maintenance or repair, all power sources must be disconnected and verified to be de-energized.
- No modifications: Unauthorized alterations, modifications, or repairs, as well as opening the product, are prohibited.
- Protect from water and moisture: Install the inverter in an environment protected from rain, condensation, and high humidity.
- Avoid dust and contamination: Keep the inverter free from dust, insects, and other contaminants.