The SMA Sunny Boy Smart Energy 4.8 kW String Inverter is a next-generation hybrid inverter designed for residential solar systems that demand reliability, flexibility, and energy security. Combining PV and battery inverter functionality into one sleek unit, this inverter simplifies system design, reduces installation time, and supports both new and repowering applications.
- 4.8 kW single-phase hybrid inverter for residential solar systems
- 200% DC/AC design capability for maximum energy harvest
- Four independent MPPT channels for optimized performance
- Integrated SunSpec Certified Rapid Shutdown transmitter for NEC compliance
- SMA Smart Connected for proactive monitoring and maintenance
- SMA ShadeFix integrated shade management for optimal output
- Battery-ready design compatible with BYD Battery-Box Premium HVL series
- High 98.1% efficiency for maximum return on investment
Hybrid design for maximum flexibility
The Sunny Boy Smart Energy 4.8 combines PV and energy storage capabilities in a single compact unit, reducing the need for additional components and electrical upgrades. Its hybrid design supports both grid-tied and backup applications, giving homeowners the freedom to expand their systems with batteries at any time.
Effortless installation and commissioning
Compact and lightweight, the inverter’s 2-in-1 design saves wall space and streamlines mounting. The SMA 360° app enables fast, intuitive commissioning — simply scan, tap, and connect multiple devices directly from a smartphone or tablet. Integrated SunSpec rapid shutdown ensures compliance and simplifies setup.
Reliability and energy security
With a 10-year standard warranty (extendable to 25 years) and SMA Backup Secure functionality, the Sunny Boy Smart Energy provides dependable power even during grid outages — with or without a connected battery. Homeowners benefit from reduced complexity and proven German engineering quality.
Smart monitoring and system management
Equipped with ennexOS technology and Smart Connected services, the inverter offers proactive fault detection, remote diagnostics, and seamless integration with SMA Energy and 360° apps. These features simplify O&M tasks while improving overall system uptime and performance visibility.
High efficiency, compact performance
Delivering 4.8 kW of rated AC power and 97% CEC efficiency, this inverter achieves optimal yields under varying conditions. Its natural convection cooling and Type 3R enclosure ensure long-lasting performance in demanding environments.
Size
19.7" x 9.2" x 23.1"
Weight
38.6 lb