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Sunny Island Inverter (4548-US)


Usually ships within 1 week

Up to 96% efficient and now with 20% more power!

SKU: 49090

Sunny Island Inverter - 4500W (4548-US)

The new Sunny Island 4548-US Inverter from SMA improves upon proven off-grid technology and now features 20% more power output. A maximum efficiency of 96% ensures peak production, which means you'll save money sizing a smaller solar PV system and on backup generator fuel. Or if you want to grow your system, up to 12 Sunny Island Inverters can be integrated into power systems up 100kW in size.

Sunny Island 4548-US Inverter Features

  • Efficient
    • 96% maximum efficiency
    • Intelligent battery management for longer battery lifespan
    • State of charge calculation
  • Simple
    • Easy installation
    • Complete off-grid management
    • Excellent for grid-tied battery backup
  • Flexible
    • For systems from 2kW to 100kW
    • Single, 120/240 VAC split-phase, and three-phase operation, connectable in parallel and modularly expandable
  • Durable
    • Extreme overload capacity
    • OptiCool active temperature management system
    • 5-year warranty

Sunny Island 4548-US Inverter Specs

  • 18.4" W x 24.1" H x 9.3" D
  • 139 lbs
  • Input voltage: 41 - 63VDC
  • Continuous power: 4500W
  • Surge rating: 11000W
  • Output voltage: 120VAC (105 - 132VAC)
  • Output frequency: 60 Hz (55 - 65 Hz)
  • Weighted/peak efficiency: 94.5% / 96%
  • Rated/peak battery charging output: 85A / 100A
  • Manufacturer: SMA
  • Model number: 4548-US

This product is shipped directly from the manufacturer or distributor and will arrive separately from any other products ordered. Availability estimates are based on average lead times and can vary due to stock status and location.

Returns & Replacements
Regularly stocked, non-special-ordered, and non-custom-built items can be returned for a refund within 30 days of receipt if unused and in original packaging. Returns of solar panels, inverters or other large ticket items will incur a re-stocking fee of up to 30%. Freight shipping is non-refundable.

For more, please read our full return policy.

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