Sunny Island 3300 Watt Inverter/Charger - 48 Volt - 4.4M by SMA

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SMA Solar Technologies


The Sunny Island 4.4M inverter-charger supports a wide range of on-grid and off-grid applications.

Its high protection class, wide temperature range and overload capacity provide the kind of reliability needed for off-grid use. Intelligent load and energy management keeps the system running even in critical situations. And being a core element in the SMA Flexible Storage System for new and existing PV systems, the Sunny Island system stores generated solar power and works with the Sunny Home Manager to intelligently manage home energy consumption. The quick configuration guide and intuitive user interface help ensure quick and convenient commissioning in any both cases. The Sunny Island 4.4M can be used in stand-alone and grid-connected systems in a power output range of up to 13 kW.

- For self-consumption systems, battery backup systems and off-gridsystems
- For single- and three-phase systems from 2 to 13 kW
- All lead-acid batteries and many lithium-ion batteries can be used

Other features:
- high protection class
- wide temperature range
- overload capacity
- intelligent load and energy management
- over 95% efficiency
- made in Germany

Weight: 47 Kilograms
Warranty: 5yrs
Code: INV-SI4448
Price: $5516.56


Sunny Island 3300 Watt Inverter/Charger - 48 Volt - 4.4M by SMA
AC output (loads)
Continuous AC power @ 25°C3300W
30 minute AC power @ 25°C4400W
3 second surge AC power @ 25°C5500W
Max efficiency95.5%
Max AC input current50A
Max AC input power11500W
Battery DC Input
Battery voltage48V
Rated charge current @ 25°C63A
Operating temperature range-25 to +60°C
Protection ClassIP54
Dimensions (mm)467(W) x 612(H) x 242(D)
Net weight44kg
ManufacturerSMA Solar Technologies


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We install solar systems in Northern NSW and Southern QLD.

Gold Coast (from Coolangatta to Southport), Nerang and Hinterland (Beaudesert) and out West (Warwick, Stanthorpe, Killarney)

Northern NSW (Tweed Heads to Yamba, including Evans Head, Byron Bay and Ballina); the Far North Coast Hinterland (Grafton via Lismore to Murwillumbah) and out West (Casino to Tenterfield, including Drake and Tabulam, as well as Woodenbong and Bonalbo)

For larger system we also go up to Brisbane or down to Coffs Harbour and even Glen Innes. Other places by arrangement.