{"product_id":"inversor-cargador-sma-si4-4m-13-3-3kva-48v-backup","title":"Inverter Charger 48V SMA Sunny Island 3.3kVA SI4.4M-13","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eInverter Charger 48V SMA Sunny Island 3.3kVA SI4.4M-13\u003c\/strong\u003e 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 \u003cstrong\u003eIP54\u003c\/strong\u003e 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.\u003c\/p\u003e\n\n\u003ch3\u003eMain Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRated AC power: \u003cstrong\u003e3.3 kVA (3,300 W)\u003c\/strong\u003e at 25 °C, 230 V, 50 Hz.\u003c\/li\u003e\n  \u003cli\u003eTemporary overload: \u003cstrong\u003e4,400 W \/ 4,600 W \/ 5,500 W\u003c\/strong\u003e (30 min \/ 5 min \/ 3 s).\u003c\/li\u003e\n  \u003cli\u003eBattery: \u003cstrong\u003e48 V\u003c\/strong\u003e, operating range \u003cstrong\u003e41–63 V\u003c\/strong\u003e, max charge \u003cstrong\u003e75 A\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eMaximum efficiency: \u003cstrong\u003e95.5 %\u003c\/strong\u003e; standby consumption ~\u003cstrong\u003e6.8 W\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eCommunication: \u003cstrong\u003eWLAN\u003c\/strong\u003e, \u003cstrong\u003eEthernet (Speedwire\/Webconnect)\u003c\/strong\u003e, access to Sunny Portal.\u003c\/li\u003e\n  \u003cli\u003eProtection and robustness: \u003cstrong\u003eIP54\u003c\/strong\u003e, −25 °C to +60 °C, warranty up to 10 years (with registration).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdvantages or Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAssured autonomy\u003c\/strong\u003e: functions as an inverter charger to cover peaks, manage batteries, and maintain critical loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast backup\u003c\/strong\u003e: very fast backup switching (0–20 ms depending on impedance) for supply continuity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntelligent management\u003c\/strong\u003e: IUoU charging algorithms, SOC calculation, and energy control to extend battery life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReady to grow\u003c\/strong\u003e: modular expansion and possibility of three-phase systems with multiple units.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple monitoring\u003c\/strong\u003e: portal and app to view energy flows, history, and real-time alarms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePurpose or Applications\u003c\/h3\u003e\n\u003cp\u003eDesigned for off-grid homes, self-consumption with storage and backup, shelters, rural tourism, microgrids, and professional applications where system continuity and control are essential.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003eRated power\u003c\/td\u003e\n\u003ctd\u003e3.3 kVA (3,300 W)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePeak power (30 min\/5 min\/3 s)\u003c\/td\u003e\n\u003ctd\u003e4,400 W \/ 4,600 W \/ 5,500 W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAC voltage\/Frequency\u003c\/td\u003e\n\u003ctd\u003e230 V; 50 Hz (40–70 Hz permissible)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSelf-consumption optimization (grid)\u003c\/td\u003e\n\u003ctd\u003e14.5 A max. (3.3 kVA)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd\u003e48 V (41–63 V); Li-ion and lead (100–10,000 Ah lead \/ ≥50 Ah lithium)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMax battery charge\u003c\/td\u003e\n\u003ctd\u003e75 A (DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMax efficiency\u003c\/td\u003e\n\u003ctd\u003e95.5 %\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eStandby consumption\u003c\/td\u003e\n\u003ctd\u003e≈ 6.8 W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBackup switching\u003c\/td\u003e\n\u003ctd\u003e0 ms (high impedance) \/ 20 ms (low impedance)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCommunications\u003c\/td\u003e\n\u003ctd\u003eWLAN, Ethernet (Speedwire\/Webconnect), Sunny Portal\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProtection \/ Temperature\u003c\/td\u003e\n\u003ctd\u003eIP54; −25 °C…+60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDimensions \/ Weight\u003c\/td\u003e\n\u003ctd\u003e467×612×242 mm; 44 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e5–10 years (registration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibilities\u003c\/h3\u003e\n\u003cp\u003eCompatible 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 \u003cem\u003eMC-Box\u003c\/em\u003e for multicluster systems. Accessories: battery fuses, temperature sensors, and data cabling.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eInverter Charger 48V SMA Sunny Island 3.3kVA SI4.4M-13\u003c\/strong\u003e provides reliability, flexibility, and total control for self-consumption projects with storage and professional off-grid systems.\u003c\/p\u003e","brand":"SMA","offers":[{"title":"Default Title","offer_id":51503251554645,"sku":"SMAINVE002","price":1345.37,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/0252\/6805\/files\/SMA-SI-1.png?v=1762628710","url":"https:\/\/aurensol.net\/en\/products\/inversor-cargador-sma-si4-4m-13-3-3kva-48v-backup","provider":"Aurensol","version":"1.0","type":"link"}