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SMA Sunny Island 4548-US-10 > 4500 Watt 48 Volt Off-Grid Inverter
SMA Sunny Island 4548-US-10 - 4500 Watt 48 Volt Off-Grid Inverter

Our Price: $3,905.00
Warranty: 5 Years

Product Code: SMA-SI4548-US-10

Description Videos

SMA Solar 4500 Watt 48 VDC Off-Grid Inverter

This off-grid inverter by SMA follows in the footsteps of the Sunny Island 5048-US. The new 4548-US and 6048-US models feature 20 percent more power output over the original.


Model SI4548-US-10 / Sunny Island 4548-US
Series Sunny Island
Manufacturer SMA Solar
Additional Details Data Sheet


Type Off-Grid / Battery Backup
Operating Temperature Range -25 C - 60 C
Enclosure NEMA 1
Cooling OptiCool
Dimensions (W x H x D) 18.4" x 24.1" x 9.3"
Weight 139 lbs
Shipping Method Freight / Lift Gate


Input Battery Voltage 48 V
Max Continuous Current 100 A


Continuous Power Output at 25 C 4500 W
AC Output Voltage 120 V
Frequency 60 Hz

Detailed Description

The new SMA Sunny Island 4548-US and 6048-US inverters are based on the proven off-grid technology in the Sunny Island 5048-US but now feature 20 percent more 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 to 100 kW in size.

  • Charge level calculation
  • Intelligent battery management
  • Extreme overload capability
  • OptiCool active temperature management system
  • Five-year standard warranty
  • Easy commissioning with the "Quick Configuration Guide"
  • Complete off-grid management
  • Excellent for grid-tied battery back up
  • For Sunny Island systems from 2 kW to 100 kW
  • Single, 120/240 split-phase and three-phase operation, connectable in parallel and modularly expandable

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48 VDC