SMA Sunny Island X 30 Three Phase 30kW Battery Inverter SI30-20 (no LCD)

Exceptional Performance, Even in Extreme Conditions

Engineered to deliver full nominal power even at ambient temperatures up to 45°C, this robust inverter is built for challenging environments. It ensures stable load supply, smart energy management, and real-time control of energy flows, all without compromising on performance.

Smart Monitoring with Sunny Portal powered by ennexOS

Manage your energy systems more intelligently with Sunny Portal powered by ennexOS. This intuitive platform offers complete visibility of all your system components, making remote monitoring and control simple and reliable. Whether you’re tracking usage, analyzing system performance, or managing multiple inverters, you’ll always stay connected.

Key Features & Benefits

• 30kW nominal power output – Ideal for commercial and industrial solar storage systems – check 3v3rything in our solar shop

• Three-phase inverter – Ensures balanced load distribution and optimal performance

• Modular scalability – Expand AC and battery capacity as needed

• Wide battery compatibility – Works with multiple battery chemistries

• Integrated energy management – Maximizes efficiency in grid-tied systems

• Generator and grid integration – For hybrid or off-grid applications (via Connection Box)*

• Smart system monitoring – View, track, and manage energy flows via Sunny Portal

• German engineering – Manufactured to the highest quality and cybersecurity standards

• Extended warranty – 10-year coverage (5+5 years with product registration)** Extended warranty available with product registration at my.sma-service.com

Why Choose the Sunny Island X 30?

If you’re looking for a battery inverter that adapts to your energy needs, the SMA Sunny Island X 30 delivers. Whether you’re optimizing self-consumption, building energy independence, or expanding your service offering as a solar installer or reseller, this inverter ensures flexibility, reliability, and long-term performance.

Made in Germany and backed by SMA’s world-class support, the Sunny Island X 30 is an investment in the future of energy. Grid tie? You need an SMA EV charger?

Ideal For:

• Professional solar system installers

• Off-grid cabin and homestead builders

• Commercial-scale energy storage projects

• Battery resellers and renewable energy providers

• DIY solar enthusiasts building scalable solar systems

Get in touch today to learn more about the SMA Sunny Island X 30 or to request a quote tailored to your project. You need a Solplanet inverter for your solar panel system in your home? Sign in to one of our SMA webinars.

The SMA SI30-20 is a compact yet powerful addition to the Sunny Island X lineup, designed for solar professionals, system integrators, and advanced DIY users who need reliable energy storage with room to scale. Delivering 30kW of three-phase power, it strikes the perfect balance between performance and flexibility—ideal for both residential energy systems and medium-sized commercial projects.

Built with the same German engineering standards as its larger sibling, the SI30-20 is optimized for environments where space, efficiency, and integration flexibility matter. It supports a wide range of battery chemistries and works seamlessly with both on-grid and off-grid configurations.

When combined with the Sunny Island X Connection Box, the SI30-20 becomes a hybrid-ready solution, capable of incorporating generator or utility grid input in remote setups. Whether it’s for a rural property, a backup power system, or a scalable solar installation, this inverter is ready for the challenge.

With intuitive monitoring via Sunny Portal powered by ennexOS, the SI30-20 ensures every kilowatt is tracked, managed, and optimized—giving users full control and long-term energy resilience.