SMA Sunny Island SI 6048-US-10 5750W Off-Grid Battery Inverter 48V 120V AC

SMA Sunny Island SI 6048-US-10 5750W Off-Grid Battery Inverter 48V 120V AC

The SMA Sunny Island SI 6048-US-10 is a single-phase utility-interactive off-grid battery inverter and charger rated at 5750W continuous output. Manufactured in Germany by SMA Solar Technology AG, it converts 48V DC battery power to 120V AC for off-grid and backup power systems, and also functions as a battery charger when connected to a utility or generator source. This is the US-market version configured for 120V / 60Hz operation.

Specifications & What's Included

• Model: SMA Sunny Island SI 6048-US-10
• Max continuous output power: 5750W
• AC output voltage: 120V AC (nominal); operating range 105V – 132V
• AC operating frequency: 60 Hz (nominal); range 55 – 65 Hz
• Max continuous output current: 47.9A RMS
• Output power factor: -1 … 1
• AC input voltage range: 80 – 150V AC
• Max AC input current: 56A RMS
• Battery voltage: 48V DC (nominal)
• Charging output voltage range: 41V – 63V DC
• Max DC operating current: 200A DC
• Enclosure: NEMA Type 1 (IP30), yellow and gray molded housing
• Certifications: UL Listed (Utility Interactive Inverter)
• Phase: Single phase
• Country of manufacture: Germany
• Date of manufacture: March 2014
• Includes: Inverter unit with wiring leads; no extra cables, mounting hardware, or manual included

Applications

The SMA Sunny Island series is designed for off-grid and grid-backup solar energy systems where a battery bank provides the primary energy buffer. The inverter manages the charge and discharge of a 48V battery bank, supplies AC loads at 120V, and can synchronize with a utility grid or generator to charge the batteries or pass power through. It is widely used in residential off-grid cabins, island-mode backup systems, and solar-plus-storage installations where grid power is unavailable or unreliable. The Sunny Island can serve as the