Comprehensive Overview of the SMA Sunny Boy 4.8kW Inverter

For over 40 years, SMA has been the leader in solar energy and the new SMA Home Energy Solution will continue this trajectory. Installers choose SMA for reliability, performance and innovation. At the heart of the SMA Home Energy Solution is the new, ground-breaking Sunny Boy Smart Energy hybrid inverter. This system enables both immediate energy use and storage in one single device. SMA Backup Secure is back (previously Secure Power Supply). With most grid-tied inverters, when the grid goes down, so does the solar-powered home. SMA's solution provides daytime energy to a dedicated power outlet during grid outages, providing homeowners with access to power as the sun shines. With its high-speed battery charging capabilities to its easy installation and handling, this newest offering will provide a capable, flexible solution that empowers homeowners to take control of their energy.

Features

• Ultimate flexibility: 200% DC/AC design capability PV, Hybrid and AC coupling in one, 3 MPPT optimizing channels, Larger power classes
• Easy installation: Smaller and lighter, eases mounting, 2-in-1 solution saves time, wall space and electrical upgrades, Rapid commissioning via built-in SunSpec Certified RSD transmitter
• Complete reliability: No need for complex microinverters or optimizers, 10-year warranty, extendable to 25, Energy security with or without a battery
• New, modern design: Fresh aesthetic look, with more functional capabilities, Curved, easy-open cover, Quick commissioning, SMA 360° app saves installers time and money, Scan, tap and connect multiple devices from your mobile device or tablet
• SMA 360° App: When combined with the SMA Sunny Boy Smart Energy, the SMA 360° app enables installers to quickly commission, monitor, and access resources all in one place
  

Specifications

• Type: Preliminary, Transformerless Topology
• Dimensions: 20 in Width x 23 in Height x 8 in Depth
• Maximum PV Array Power: 9600 Wp
• Voltage Rating: 600 Vdc, 240/208 Vac
• MPP Voltage Range: 60-480 V
• Battery Type: HV/Lithium Based (TBD)
• Power Rating: 4800 W
• Frequency Rating: 60/55-66 Hz
• Output Amperage: 20 A
• Efficiency: 98%
• Wire Size: 10-6/12-6 AWG
• Enclosure Rating/IP Rating: IP65/NEMA 3R
• Warranty: 10 Years
  

Documents 

• Specification Sheet
  

Advanced Hybrid Technology for Optimal Energy Use

The SMA Sunny Boy 4.8kW inverter integrates advanced hybrid technology designed for efficient energy management in residential solar systems. This smart energy inverter seamlessly switches between solar power, battery storage, and grid electricity to maximize energy use while minimizing costs. Its hybrid capabilities enable homeowners to store excess solar energy for later use, thus enhancing self-consumption and reducing reliance on the grid. With a nominal output of 4.8kW and 240 VAC compatibility, it suits medium-sized solar installations, delivering reliable performance and smart energy optimization.

Robust Design and User-Friendly Interface

Built for durability and ease of use, the SMA Sunny Boy 4.8kW inverter features a compact and weather-resistant design, ideal for outdoor or indoor installation. The inverter includes a user-friendly interface with smart monitoring options that allow users to track real-time energy production, consumption, and storage via SMA’s Sunny Portal or mobile app. This setup ensures that homeowners can easily manage their solar system’s performance, promptly identify issues, and make informed decisions to optimize energy savings.

Seamless Grid-Tie Functionality and Safety

This SMA Sunny Boy 4.8kW inverter supports reliable grid-tie functionality, enabling safe and efficient integration of solar power into the household energy network. It meets rigorous safety standards and offers built-in protective features such as anti-islanding, overvoltage, and ground-fault detection to ensure system stability and safety. The inverter’s grid-compliant design also supports utility-friendly operation, making it an excellent choice for those seeking to reduce carbon footprint while maintaining compliance with local grid regulations.