Sunny Island 4548-US / 6048-US

The efficient off-grid manager

The SMA Sunny Island 4548-US and 6048-US inverters are based on proven off-grid technology and feature industry leading power output. A maximum efficiency of 96 percent ensures peak production, which results in reduced diesel usage in rural communities. More flexible sizing allows for simplified system planning. And, with multicluster technology, up to 12 Sunny Islands can be integrated into off-grid power systems up 110 kW in size.


  • CEC efficiency of 94.5% and 94%

  • State of charge calculation

  • Intelligent battery management for maximum battery life

  • Now supports external BMS and lithium-ion technology


  • Easy commissioning with the “Quick Configuration Guide”

  • Complete off-grid management

  • Excellent for grid-tied battery back up


  • For Sunny Island systems from 4.5 to 100 kW

  • Single, split-phase and three-phase operation, connectable in parallel and modularly expandable

  • AC and DC coupling


  • Extreme overload capability

  • OptiCool™ active temperature

  • management system

  • 5-year standard warranty


Data sheet