Perfection Plus. Usability.

The Sunny Boy 4500TL-JP and 5400TL-JP offer more communication options, are easier to use and more efficient than ever – setting new standards in inverter technology. A modern graphic display, indication of the daily values even after sunset, simplified installation concept, stand-alone function and wireless communication via Bluetooth: The new Sunny Boys fulfill every wish. The Sunny Boy 4500TL-JP and 5400TL-JP have a peak efficiency of 96.7 percent with a wide input voltage range. They are multistring inverters providing an optimal yield, maximum flexibility for system design and an outstanding module compatibility – this makes them the first choice for nearly any PV system.


100% Ease and Comfort With SUNNY BOY

The  Sunny Boy ensures maximum energy yields for private homes.

Thanks to its integrated web interface for easy commissioning via a smartphone or tablet and SMA Smart Connected service, this inverter offers true ease and comfort for PV system operators and installers.

Quick and easy to install

With its reduced weight, the Sunny Boy can be installed quickly while taking up minimal space. The Sunny Boy can be commissioned quickly via smartphone or tablet thanks to its web interface.

  • One-person installation due to low weight of 17.5 kg
  • Compact design through minimum space requirements
  • Quick installation thanks to external connections
  • Intuitive commissioning and local monitoring via a smartphone or tablet

Intelligent solar power generation

Leading-edge Technology

  • Maximum efficiency of 96.7 % and wide input voltage range
  • ESS
  • Transformerless with H5 topology
  • OptiTrac MPP control
  • Multi-String

Easy Installation

  • Easily accessible connection compartment
  • Cabling without tools
  • Ergonomic design
  • For Global use
  • Comprehensive SMA warranty program
  • JET certification


  • Bluetooth® Technology
  • Graphic display

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.

Flexibly expandable anytime

With the Sunny Boy, PV system operators can ensure that their PV system always generates maximum yields. If greater use of solar power is made in your own home, intelligent energy management and SMA storage solutions can be added at any time to systems with the Sunny Boy.

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.

Performance Service

SMA compensates PV system owners if the replacement inverter cannot be delivered within three days.

SMA Smart Connected is available in AU, AT, BE, CH, DE, ES, FR, IT, LU, NL, UK

Download Technical Information

Technical Information – SMA and SunSpec Modbus® Interface – SUNNY BOY / SUNNY BOY STORAGE / SUNNY TRIPOWER

Type: Technical information | Language: International | Number: SMA-Modbus-general-TI-en-10 | Version: 1.0

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