Description
SMA Sunny Island Inverter Charger SI4548-US-10
Introducing the SMA SI4548-US-10 Sunny Island Inverter Charger, a bidirectional battery inverter designed for stand-alone operation. This innovative device redefines off-grid energy solutions, offering unmatched power output, efficiency, and scalability. Ideal for remote locations and sustainable energy projects, the Sunny Island Inverter Charger ensures reliable energy management and efficient power supply under any circumstances.
Empower Your Off-Grid Experience
Built upon the proven off-grid technology of the Sunny Island 5048-US, the new SI4548-US-10 offers 20% more power output, ensuring maximum efficiency and peak production. With a maximum efficiency of 96%, this inverter charger reduces diesel usage and allows for smaller PV array dimensioning, making it an eco-friendly and cost-effective choice for off-grid applications. Whether powering a remote cabin or supporting critical infrastructure, the SI4548-US-10 is engineered to meet the demands of modern off-grid living.
Flexible System Sizing
The SI4548-US-10 features two different power ratings, enabling more flexible system sizing to cater to a wide range of off-grid power needs. With multicluster technology, up to 12 Sunny Islands can be seamlessly integrated into off-grid power systems up to 100 kW in size, offering unparalleled scalability and adaptability. This flexibility allows users to customize their power setup based on specific energy demands, ensuring a tailored solution for every application.
Scalability for Diverse Applications
From small residential setups to large industrial applications, the scalability of the Sunny Island Inverter Charger makes it a versatile solution for diverse energy needs. Its modular design allows for easy expansion as energy demands grow, ensuring long-term viability and cost savings.
Intelligent Battery Management
Equipped with intelligent battery management, the Sunny Island ensures a longer battery lifespan, optimizing the performance and reliability of your off-grid power system. The State of Charge Calculation feature provides real-time insights into battery health, ensuring optimal operation in diverse environmental conditions. This intelligent management system not only prolongs battery life but also enhances overall system performance, making it a smart investment for sustainable energy.
Advanced Monitoring and Control
The advanced monitoring and control features of the SI4548-US-10 allow users to track system performance in real-time, adjust settings remotely, and receive alerts for maintenance needs. This proactive approach to energy management ensures that your off-grid system operates efficiently and effectively at all times.
Efficiency and Self-Consumption
With a maximum efficiency of 96% and self-consumption as low as 25W without load, the Sunny Island ensures optimal performance while minimizing energy waste. Its high efficiency translates to significant cost savings over time, reducing the need for additional power sources and enhancing the sustainability of your energy setup. The Sunny Island’s low self-consumption also means more of your generated energy is available for use, increasing the overall efficiency of your off-grid system.
Protective Devices and General Data
Safety and reliability are at the forefront of the Sunny Island Inverter Charger’s design. It features DC reverse polarity protection, AC short-circuit protection, and overtemperature protection to ensure the system operates smoothly and securely. The inverter charger is certified by UL 62109 and comes with a 5-year warranty, providing peace of mind and long-term dependability. Its robust design and durable components make it suitable for challenging environments, ensuring continuous power supply even under harsh conditions.
Unlock the full potential of off-grid power with the SMA SI4548-US-10 Sunny Island Inverter Charger. Experience superior efficiency, intelligent battery management, and unmatched scalability for your off-grid energy needs. This inverter charger is more than just a power source; it’s a comprehensive solution for sustainable and reliable off-grid living. Whether you’re looking to power a remote home, support critical infrastructure, or reduce your carbon footprint, the Sunny Island is the ideal choice for a wide range of applications.
| AC Output (Loads) | |
|---|---|
| Rated grid voltage / AC voltage range | 120 V / 105 V – 132 V |
| Rated frequency / frequency range (adjustable) | 60 Hz / 55 Hz … 65 Hz |
| AC power (at 25 °C / at 40 °C) for 3 hours | 5000 W / 4000 W |
| Rated power (@ Unom, fnom / 25 °C / @ cos ϕ = 1) | 4500 W |
| AC power at 25 °C for 30 min / 1 min / 3 s | 5300 W / 8400 W / 11000 W |
| Rated current / max. output current (peak) | 37.5 A / 180 A for approx. 60 ms |
| Total harmonic factor output voltage / power factor with rated power | 3 % / -1 … +1 |
| AC Input (PV Array or Grid) | |
| Rated input voltage / AC input voltage range | 120 V / 80 V – 150 V |
| Rated input frequency / allowable input frequency range | 60 Hz / 54 Hz … 66 Hz |
| Max. AC input current / adjustable | 56 A / 0 A … 56 A |
| Max. AC input power | 6.7 kW |
| Battery DC Input | |
| Rated input voltage / DC voltage range | 48 V / 41 V – 63 V |
| Max. battery charging current / DC rated charging current | 100 A / 85 A |
| Battery type / battery capacity range | Lead, NiCd / 100 Ah … 10000 Ah |
| Charge control | IUoU charge procedure with automatic full charge and equalization charge |
| Efficiency / Self-Consumption | |
| Max. efficiency / CEC efficiency | 96 % / 94.5 % |
| Self-consumption without load / standby | 25 W / 4 W |
| Protective Devices | |
| DC reverse polarity protection / DC fuse | ● / ● |
| AC short-circuit / AC overload | ● / ● |
| Overtemperature / battery deep discharge | ● / ● |
| General Data | |
| Dimensions (W / H / D) | 467 / 612 / 235 mm (18.4 / 24.1 / 9.3 inch) |
| Weight | 63 kg / 139 lb |
| Operating temperature range | -25 °C … +60 °C / -13 °F … +122 °F |
| Features / Function | |
| Operation and display / multi-function relay | Internal / 2 |
| Degree of protection (according to IEC 60529) | indoors (NEMA 1) |
| Three-phase systems / parallel connection | ● / ● |
| Integrated bypass / multicluster operation | — / ● |
| State of charge calculation / full charge / equalization charge | ● / ● / ● |
| Integrated soft start / generator support | ● / ● |
| Battery temperature sensor / data cable | ● / ● |
| Warranty | 5 years |
| Certificates and approvals | www.sma-solar.com |
| Accessories | |
| Battery cable / battery fuse | ○ / ○ |
| Interface (RS 485 / Multicluster PB) | ○ / ○ |
| Extended generator start “GenMan” | ○ |
| Load-shedding protection / battery current measurement | ○ / ○ |
admin (store manager) –
Great Inverter Charger, recommended