SOSEN 5.5KW 48V Solar Off-Grid Hybrid Inverter – Overview
The SOSEN 5.5KW 48V Solar Off-Grid Hybrid Inverter is a high-performance single-phase hybrid inverter designed for residential solar energy storage systems. Built for reliability and efficiency, it supports powerful PV input, intelligent battery management, and seamless grid or generator integration for complete off-grid independence.
Key Benefits
- Provides stable 5.5KW pure sine wave output for residential and commercial loads.
- Supports up to 6000W maximum PV input power for faster solar charging.
- 48V battery system compatible with lithium and lead-acid batteries.
- Wide MPPT voltage range improves solar harvesting efficiency.
- Combined PV and utility load support ensures uninterrupted power supply.
- Fast transfer time under 10ms for UPS-level backup performance.
- Remote Wi-Fi monitoring for real-time system tracking.
- RS485, CAN, and Dry Contact communication interfaces available.
This inverter can integrate seamlessly with solar panels and other compatible inverter systems, ensuring efficient energy generation, smart power management, and reliable performance for off-grid applications.
Technical Specifications
| Parameter | Value (SSA-HL5K5-P1EU) |
|---|---|
| Model | SSA-HL5K5-P1EU |
| AC INPUT | |
| Rated Voltage | 208 / 220 / 230 / 240Vac, L+N+PE |
| Rated Frequency | 50 / 60 Hz |
| Current (Maximum Continuous) | 40 Aac |
| INVERTER OUTPUT | |
| Rated Power | 5.5 kW |
| Rated Voltage | 208 / 220 / 230 / 240Vac, L+N+PE |
| Power Factor | 1 |
| Wave Form | Pure Sine Wave |
| Switch Time | <10ms (Typical) |
| Inverter Efficiency (Peak) | 94% @ 48V d.c. |
| Current (Maximum Continuous) | 25 Aac |
| Maximum Output Overcurrent Protection | 102%~110% 1min / 110%~130% 10s / 130%~150% 3s / 150% 0.2s |
| BATTERY | |
| Battery Type | Lithium / Lead-acid |
| Rated Battery Voltage | 48 V d.c. |
| Battery Voltage Range | 42 ~ 56.4 V d.c. |
| Max Charge Current | 100 A d.c. |
| PV INPUT | |
| No. of MPPT Tracker / Strings | 1 / 1 |
| Max PV Array Power | 6 kW |
| Max DC Voltage | 500 V d.c. |
| MPPT Voltage Range | 120 ~ 430 V d.c. |
| Start-up Voltage | 120 V d.c. |
| MPPT Maximum Charge Current | 100 A d.c. |
| Max Input Current | 18 A d.c. |
| Isc PV (Absolute Maximum) | 22 A d.c. |
| PROTECTION & FEATURE | |
| Parallel Function | No |
| Protection Degree | IP20, Indoor only |
| Certifications | IEC 62109-1/2, EN IEC 61000-6-1, EN IEC 61000-6-3 |
| Other Protection | Overload, Over temperature, Short circuit |
| GENERAL PARAMETER | |
| Storage Temperature | -15°C ~ +60°C |
| Operating Temperature | -10°C ~ +50°C |
| Humidity | 20% ~ 95% (Non-condensing) |
| Operating Altitude | 4000m (>1000m Derating) |
| Noise | <50 dB |
| Machine Dimensions (W*H*D) | 315*470*120 mm |
| Machine Weight | 8.6 kg |
| DISPLAY & COMMUNICATION | |
| Display | LCD Display (Running Mode, Loads / Input / Output etc.) |
| Interface | RS485 / CAN / Dry Contact / WiFi (Optional) |
Download Datasheet | For manufacturer details, see the official page: SSA-HL5K5-P1EU









