Inverter Charger 48V SMA Sunny Island 3.3kVA SI4.4M-13
Modelo: SI4.4M-13- Sku: SMAINVE002
- Vendor: SMA
Specifications
Product Description
The Inverter Charger 48V SMA Sunny Island 3.3kVA SI4.4M-13 is the benchmark in storage and backup solutions for both off-grid and grid-connected photovoltaic installations. It combines reliable electronics, intelligent energy management, and integrated communications so you can control your system from your mobile device or laptop. Its IP54 protection class, wide thermal range, and high overload capacity ensure availability even in demanding environments, while its modular design allows for single-phase or three-phase expansions as your project grows.
Main Features
- Rated AC power: 3.3 kVA (3,300 W) at 25 °C, 230 V, 50 Hz.
- Temporary overload: 4,400 W / 4,600 W / 5,500 W (30 min / 5 min / 3 s).
- Battery: 48 V, operating range 41–63 V, max charge 75 A.
- Maximum efficiency: 95.5 %; standby consumption ~6.8 W.
- Communication: WLAN, Ethernet (Speedwire/Webconnect), access to Sunny Portal.
- Protection and robustness: IP54, −25 °C to +60 °C, warranty up to 10 years (with registration).
Advantages or Benefits
- Assured autonomy: functions as an inverter charger to cover peaks, manage batteries, and maintain critical loads.
- Fast backup: very fast backup switching (0–20 ms depending on impedance) for supply continuity.
- Intelligent management: IUoU charging algorithms, SOC calculation, and energy control to extend battery life.
- Ready to grow: modular expansion and possibility of three-phase systems with multiple units.
- Simple monitoring: portal and app to view energy flows, history, and real-time alarms.
Purpose or Applications
Designed for off-grid homes, self-consumption with storage and backup, shelters, rural tourism, microgrids, and professional applications where system continuity and control are essential.
Technical Specifications
| Rated power | 3.3 kVA (3,300 W) |
| Peak power (30 min/5 min/3 s) | 4,400 W / 4,600 W / 5,500 W |
| AC voltage/Frequency | 230 V; 50 Hz (40–70 Hz permissible) |
| Self-consumption optimization (grid) | 14.5 A max. (3.3 kVA) |
| Battery | 48 V (41–63 V); Li-ion and lead (100–10,000 Ah lead / ≥50 Ah lithium) |
| Max battery charge | 75 A (DC) |
| Max efficiency | 95.5 % |
| Standby consumption | ≈ 6.8 W |
| Backup switching | 0 ms (high impedance) / 20 ms (low impedance) |
| Communications | WLAN, Ethernet (Speedwire/Webconnect), Sunny Portal |
| Protection / Temperature | IP54; −25 °C…+60 °C |
| Dimensions / Weight | 467×612×242 mm; 44 kg |
| Warranty | 5–10 years (registration) |
Compatibilities
Compatible with lead batteries (FLA/VRLA) and lithium batteries approved by SMA; integration with Sunny Home Manager 2.0, SMA Energy Meter, Data Manager M, and MC-Box for multicluster systems. Accessories: battery fuses, temperature sensors, and data cabling.
The Inverter Charger 48V SMA Sunny Island 3.3kVA SI4.4M-13 provides reliability, flexibility, and total control for self-consumption projects with storage and professional off-grid systems.
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Inverter Charger 48V SMA Sunny Island 3.3kVA SI4.4M-13
