SMA Solar SBSE11.5-US-50 Sunny Boy Smart Energy 11.5-US Inverter
SMA Sunny Boy Smart Energy Hybrid Inverter SBSE11.5-US-50
The SMA SBSE11.5-US-50 is a dual-purpose hybrid inverter designed for both PV generation and battery integration. Part of the Sunny Boy Smart Energy line, it delivers 11.5kW of AC output power and supports up to 23.04kW of solar input.
It features integrated rapid shutdown, SMA ShadeFix, and Smart Connected capabilities. This UL 1741 SB certified unit includes an integrated system manager for centralized commissioning of up to five inverters, making it ideal for scalable residential installations.
Key Benefits
PV + Storage in One: Inverter and battery management in a single compact device.
200% Oversizing Support: Accepts up to 23.04kW of solar input.
Flexible MPPT Configuration: 3 or 4 MPPT channels for maximum design flexibility.
Backup Ready: Supports SMA Backup Secure mode (optional module required).
SunSpec Certified RSD: Rapid shutdown compliance built-in (NEC 2020/2023).
Special Technology
SMA ShadeFix: Integrated shade optimization technology boosts yield.
SMA Smart Connected: Cloud-based monitoring and performance alerts.
Integrated System Manager: Commission up to 5 inverters from a single interface.
Natural Convection Cooling: Silent, fan-free operation with high thermal efficiency.
Compatible Batteries: BYD Battery-Box Premium HVL (UL9540-certified models).
Warranty
This model includes a 10-year standard warranty, with optional extensions of +5, +10, or +15 years available via SMA partners.
Best Use
New PV + Storage Systems: Ideal for maximizing solar harvest with integrated battery support.
Retrofit & Repowering Projects: Simplifies upgrades by combining PV and battery inverter functions.
Grid-Interactive Backup: Operates in SMA Backup Secure mode for limited backup even without batteries.
Residential Smart Energy Homes: Smart app and web integration with centralized monitoring tools.
Specifications Table
| Specification | Data |
|---|---|
| Model Number | SBSE11.5-US-50 |
| AC Rated Power (240V) | 11,520 W |
| AC Rated Power (208V) | 9984 W |
| Max. DC Power (PV Input) | 23,040 W |
| Max. DC Voltage | 600 V |
| MPP Voltage Range | 200 V – 480 V |
| MPPT Inputs | 3 or 4 (configurable) |
| Max. Input Current per MPPT | 15 A |
| Max. Short-Circuit Current per MPPT | 30 A |
| Battery Compatibility | BYD Battery-Box Premium HVL Series |
| Battery Voltage Range | 90 V – 500 V |
| Max. Charge / Discharge Power | 12,000 W / 12,000 W |
| Communication | RS485, CAN, Ethernet, WLAN |
| Enclosure Type | NEMA 3R (Outdoor Rated) |
| Cooling Method | Natural Convection |
| Max. Efficiency | 98% |
| CEC Efficiency (240V) | 97.5% |
| Dimensions (W × H × D) | 19.7 × 26.8 × 9.2 in |
| Weight | 48.5 lbs |
| Warranty | 10-Year Standard, Optional Extensions Available |
| Certifications | UL1741 SB, UL62109, UL9540, IEEE1547, FCC, CA Rule 21, NEC 2023 |
