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The best standard for small PV systems
Sunny Boy 1.5 / 2.0 / 2.5
The best standard for small PV systems
It's so easy to reap the benefits of solar power: The completely redesigned Sunny Boy 1.5 / 2.0 / 2.5 is the perfect inverter for customers who want to take full advantage of their small PV system. Among other features, it enables an increase in consumption of self-generated power, allows versatile uses, and is very easy to integrate into the home network. In addition, its innovative design and new communication concept offer many advantages during installation and commissioning. Thanks to direct communication with the SMA Energy Meter, both limitation to 70 percent, which is required in Germany, and limitation to 0 percent is possible.
Did you know?
Now also available with a capacity of 2 kW, including Smart Connected
Easy to use with a new installation concept
The innovative design of the Sunny Boy 1.5 / 2.0 / 2.5 is not only easy to install, but also allows for quick DC and AC connections. For example, because it weighs just 9 kg, it can be suspended from just two screws, with no additional wall mounting bracket. Commissioning is equally easy, because the integrated user interface (Web UI) makes it possible to choose the necessary settings in next to no time – without opening the cover.
- Rapid commissioning with the intuitive Web UI
- Easy installation thanks to a low weight of just 9 kg and an intelligent connection concept
- Broad input voltage range of 80 to 600 V
- Flexibility in choice of module

Informative with an innovative communication concept
With its focus on what really matters, the Sunny Boy 1.5 / 2.0 / 2.5 also offers impressive communication features. The intuitive user interface (Web UI) makes it possible to monitor system data on any smartphone, tablet, laptop or traditional PC. This enables the user to choose between local and online monitoring via Sunny Places and Sunny Portal.
- New communication concept thanks to Web UI
- System data monitoring possible on all smartphones and tablets
- Choose between local and online monitoring via Sunny Portal and Sunny Places
- Factory-integrated Ethernet and WLAN interface
- Professional Monitoring via Webconnect with the Sunny Portal Professional Package
Video: Installation and Commissioning
Video: Configuration via Web UI

Sample calculation with Sunny Design
Whether it’s a small PV system with 1 to 2 kW output or a system with 6 kW—the new Sunny Boy is the ideal solution. Sunny Design enables users to calculate their desired system size using individual data.
Download sample calculation
SMA Smart Connected
Investment security included
With SMA Smart Connected, SMA offers free and automatic inverter monitoring that helps installers to provide customers with a quick, targeted service. If an inverter fails, SMA proactively informs the PV system owner and the installer. In this way, PV system owners and installers benefit from minimized diagnosis and downtime. If it is necessary to replace the inverter, SMA sends a replacement device fast and free of charge.

SMA Smart Connected
How it works
Activation of SMA Smart Connected
During registration of the system in Sunny Portal, you, as the installer, activate SMA Smart Connected and thus start automatic inverter monitoring by SMA.
Automatic inverter monitoring
SMA automatically checks the inverter for anomalies around-the-clock during operation. You and your customers benefit from SMA's many years of experience.
Proactive communication
After a fault has been diagnosed and analyzed, SMA informs the installer and PV system operator immediately by email. Everyone is thus optimally prepared for the troubleshooting process ensuring minimum downtimes and reducing outlay and costs. The regular power reports also provide the installer with valuable information about the overall system.
Replacement Service
If a replacement device is necessary, SMA automatically supplies a new inverter within one to three days of the fault diagnosis. As the installer, you can contact the PV system operator of your own accord and replace the inverter immediately.
Sunny Boy 1.5 / 2.0 / 2.5
Downloads
Planning tool Sunny Design
With Sunny Design, you can plan your tailor-made PV system in just a few clicks.