Product Description
The SEI-SP Series Solar Storage Inverter by United Energy is an all-in-one hybrid solution for homes and businesses seeking energy independence and high efficiency. Available in 8kW, 10kW, and 12kW capacities, this inverter combines solar, battery, and grid/generator inputs for optimal power flexibility.
With dual MPPT inputs, it supports large PV arrays up to 13.2kW total. Its 48V architecture is compatible with common residential storage systems and works seamlessly with lithium-ion or lead-acid batteries.
Key features include up to 200A charging, IP65 dust/water resistance, and advanced communication ports (RS485, CAN, USB), ensuring broad compatibility and smart energy control. Whether off-grid in rural areas or grid-connected in urban settings, the SEI-SP series delivers robust, stable power you can trust.
Technical Specifications
| Specification | SEI-8K-SP | SEI-10K-SP | SEI-12K-SP |
| Rated Output Power | 8,800W | 10,000W | 12,000W |
| Max. Peak Power | 17,600VA | 20,000VA | 24,000VA |
| Battery Voltage | 48V (Range 40–60V) | ||
| Max. PV Input Power | 11,000W | 13,200W | 13,200W |
| MPPT Trackers | 2 | 2 | 2 |
| Max. PV Input Current | 22A + 22A | 22A + 22A | 22A + 22A |
| Max. Charging Current | 200A (PV+Grid+Gen) | ||
| AC Output Voltage | 230V single-phase (parallel 3-phase) | ||
| Max. AC Output Current | 40A | 43.5A | 54.5A |
| Parallel Capability | Up to 6 units | ||
| Communication Ports | RS485, CAN, USB, Dry Contact | ||
| Wi-Fi / GPRS (Optional) | Yes | Yes | Yes |
| Efficiency (Inverter) | Up to 97.5% | 97.50% | 97% |
| Protection Rating | IP65 | IP65 | IP65 |
| Dimensions (mm) | 670×440×240 | 670×440×240 | 670×440×240 |
| Weight | 37kg | 37kg | 37kg |
| Operating Temp Range | -25°C to +60°C | ||
| Safety Certifications | IEC62109-1/2, EN61000-6, RoHS | ||
| Communication | RS485 / CAN / USB / Wi-Fi (optional) | ||
| Certifications | IEC62109-1/2, EN61000-6-1/3, FCC Class B, RoHS | ||
