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.
Empower Your Off-Grid Experience: Built upon the proven off-grid technology of the Sunny Island 5048-US, the new SI4548-US-10 boasts 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.
Flexible System Sizing: Featuring two different power ratings, the SI4548-US-10 enables more flexible system sizing, catering 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.
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. State of Charge Calculation feature provides real-time insights into battery health, ensuring optimal operation in diverse environmental conditions.
Technical Specifications:
- Max. Efficiency: 96%
- CEC Efficiency: 94% and 94.5%
- AC Output: 120V, 5000W (at 25°C)
- AC Input (PV Array or Grid): 120V, Max. 6.7 kW
- Battery DC Input: 48V, Max. 100A
- Dimensions: 467mm (W) x 612mm (H) x 235mm (D)
- Weight: 63 kg (139 lb)
- Operating Temperature Range: -25°C to +60°C
FAQs:
- How do I link SMA Sunny Islands? Refer to page 57 of the Operating Manual.
- Is the SMA Sunny Island a pure sine wave inverter? Yes, it is.
- Is the SMA Sunny Island Inverter/Charger an MPPT or PWM charge controller? It is not a charge controller.
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.
Protective Devices and General Data: Featuring DC reverse polarity protection, AC short-circuit protection, and overtemperature protection, the Sunny Island prioritizes safety and reliability. With a 5-year warranty and certifications, including UL 62109, rest assured of its quality and durability.
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.
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