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Specification
| Type | String Inverters |
| Phases | Single-phase |
| AC Output Voltage | 240 VAC |
| Max DC Voltage (Voc) | 600 VDC |
| Features |
|
| Dimensions LxWxH | 19.7 x 9.2 x 23.1 in |
| Weight | 38.6 lbs |
| Manufacturer | SMA America LLC |
| Manufacturer Part # | SBSE7.7-US-50 |
| Operating Temperatures | –13°F to 140°F |
| Warranty | 10 years standard, extendable +5/+10/+15 years |
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About product
The SMA Sunny Boy Smart Energy 7.7 kW String Inverter (SBSE7.7-US-50) is a next-generation hybrid inverter designed to simplify residential solar and storage installations. Combining PV and battery inverter functionality in one compact unit, it delivers high efficiency, flexibility, and reliable backup power—ideal for homeowners seeking complete energy independence.
The Sunny Boy Smart Energy 7.7 kW inverter serves as the central component of SMA’s Home Energy Solution, combining solar, battery, and grid management in one platform. With support for BYD Battery-Box Premium HVL systems, it enables flexible energy storage and backup capabilities, allowing homeowners to use stored energy during outages or peak demand hours.
Featuring 200% DC/AC design capability and four independent MPP trackers, the SBSE7.7-US-50 accommodates multiple roof orientations and high-power PV modules with ease. Its compact, lightweight design simplifies wall mounting while reducing electrical upgrades and installation time. The inverter’s transformerless architecture and natural convection cooling ensure quiet, efficient operation over a wide temperature range.
The inverter includes advanced protection features such as integrated DC disconnects, arc-fault circuit interruption (AFCI), ground fault monitoring, and residual-current protection. With SunSpec rapid shutdown signaling and certifications under UL 1741 SB/SA and IEEE 1547, it fully complies with current NEC 2023 and California Rule 21 requirements.
Integrated with the SMA 360° App and ennexOS platform, the inverter enables fast commissioning, real-time monitoring, and intelligent control via Wi-Fi or Ethernet. The SMA Smart Connected feature provides automatic fault detection and remote diagnostics, reducing downtime and maintenance costs. The built-in system manager allows centralized configuration for up to five inverters and one energy meter.
19.7" × 23.1" × 9.2"
38.6 lb
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