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NLR - Sunny Island Inverter - 4500W (4548-US)


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

SKU: 49090-old

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 Inverter - 4500W (4548-US) 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 Inverter - 4500W (4548-US) 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)
  • Peak efficiency: 96%
  • Battery charging output: 85A
  • Manufacturer: SMA America
  • Model number: 4548-US

This product is shipped from one of our warehouses in Northern California. Orders placed after 12 p.m. will typically ship the following business day. Click here to see an estimate of our delivery times with standard FedEx Ground shipping.

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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