Description
The SMA Sunny Boy Smart Energy SBSE4.8-US-50 is a next-generation residential hybrid inverter combining PV and battery inverter functions into a single compact unit, purpose-built for the modern SMA Home Energy Solution.
Key Features
- 2-in-1 Hybrid Inverter Design Combines PV and battery inverter functions in a single unit, minimizing wall space, reducing electrical upgrades, and simplifying the overall installation process.
- 200% DC/AC Oversizing Capability Accepts up to 9,600Wp of PV array power with three independent MPPT channels and SMA ShadeFix string-level shade optimization for maximum energy harvest.
- SMA Backup Secure Provides reliable energy security with or without a battery during grid outages, eliminating the need for complex microinverters or optimizers.
- Built-In SunSpec Certified RSD Transmitter Enables rapid commissioning and module-level rapid shutdown compliance in accordance with NEC 2020 and NEC 2023.
- SMA 360° App & Smart Connected Allows installers to scan, tap, and connect multiple devices from a mobile device, with proactive monitoring and service support built in as standard.
The SBSE4.8-US-50 delivers 4,800W AC rated power at 240V with a maximum efficiency of 98.1% and a CEC efficiency of 97%. It supports BYD Battery-Box Premium HVL battery systems with a maximum charging power of 10,000W and a maximum discharging power of 5,053W.
Certified to UL 1741 SB/SA, UL 62109-1, UL 1699B Ed. 1, UL 9540, IEEE 1547, CA Rule 21, and HECO Rule 14H, the SBSE-US meets all major US residential grid interconnection and safety code requirements including NEC 2020 and NEC 2023. Communication interfaces include WLAN, dual Ethernet ports, BAT-CAN, and RS-485 with Modbus SMA, SunSpec, Speedwire, and Webconnect protocols supported as standard.
Designed with a fresh modern aesthetic, curved easy-open cover, and natural convection cooling, the SBSE4.8-US-50 is smaller and lighter than previous generations for faster, easier wall mounting. A 10-year standard warranty with optional extensions up to 25 years total ensures long-term homeowner peace of mind.
Technical Specifications
| Specification | Details |
|---|---|
| Model | SBSE4.8-US-50 |
| Max PV Array Power (200% oversizing) | 9,600 Wp |
| Max DC Voltage | 600V |
| Rated MPP Voltage Range | 112–480V |
| Min / Startup DC Voltage | 60V / 66V |
| Max Usable Current per MPPT | 15A |
| Max Short-Circuit Current per MPPT | 30A |
| Independent MPPT Inputs / Inputs per MPPT | 3 / 1 |
| Battery Type | BYD Battery-Box Premium HVL (UL9540) |
| Battery Voltage Range | 90–500V |
| Max Charging / Discharging Current | 30A / 30A |
| Max Charging Power | 10,000W |
| Max Discharging Power | 5,053W |
| AC Rated Power (240V, 60Hz) | 4,800W |
| AC Rated Power (208V, 60Hz) | 4,160W |
| Maximum Apparent AC Power | 4,800 VA |
| AC Voltage Rated / Range | 240V (211–264V) or 208V (183–229V) |
| AC Grid Frequency / Range | 60Hz / 55–66Hz |
| Max Rated Output Current | 20A |
| Breaker (Overcurrent Protection) | 25A |
| Power Factor at Rated Power | 1 (adjustable 0.8 overexcited to 0.8 underexcited) |
| Max Efficiency | 98.1% |
| CEC Efficiency (240V / 208V) | 97% / 97% |
| Topology | Transformerless |
| Cooling | Natural convection |
| Operating Temperature Range | -25°C to +60°C (-13°F to +140°F) with derating |
| Environmental Protection Rating | IP65 / Type 3R |
| Network Interfaces | WLAN, Ethernet (2 ports), BAT-CAN, RS-485 |
| Communication Protocols | Modbus (SMA, SunSpec), Speedwire, Webconnect |
| Dimensions (W x H x D) | 19.7 x 23.1 x 9.3 in |
| Weight | 38.6 lbs |
| Certifications | UL 1741 SB/SA, UL 62109-1, UL 1998, UL 1699B Ed. 1, UL 9540, IEEE 1547 |
| Grid Standards | CA Rule 21, HECO Rule 14H, NEC 2020, NEC 2023 |
| FCC Compliance | FCC Part 15 Class A & B |
| Standard Warranty | 10 Years |
| Optional Warranty Extension | +5, +10, +15 Years (max 25 Years total) |
Specs & Info