Product Description
The UL_SEI 8~12K-UP series is a high-efficiency split-phase hybrid inverter tailored for residential and small commercial solar energy systems in North America. Featuring true 120/240V output, a robust 48V battery interface, and full hybrid capability, it seamlessly handles solar, battery, and generator inputs.
It supports up to 200A hybrid charging from PV, AC grid, or generator, and features dual MPPTs with 550V input tolerance. With a compact outdoor-ready IP65 housing, it is well-suited for home installations, cabins, farmhouses, and remote properties.
Advanced features include smart lithium battery BMS integration, software/hardware protections, programmable charging time slots, and parallel operation up to 6 units. With full UL and grid-tied certifications, the UL_SEI series offers future-ready energy control.
Key Specifications
| Parameter | SEI-8K-UP | SEI-10K-UP | SEI-12K-UP |
| Rated Output Power | 8,800W | 10,000W | 12,000W |
| Max Surge Output (5 sec) | 17,600VA | 20,000VA | 24,000VA |
| Output Voltage | 120/240V (Split Phase) | ||
| Output Frequency | 50/60Hz Auto-Detect | ||
| Battery Voltage | 48VDC | 48VDC | 48VDC |
| Max PV Charging Current | 200A | 200A | 200A |
| Max AC Charging Current | 120A | 120A | 120A |
| Max Alternator Charging | 60A | 60A | 60A |
| MPPT Input Voltage Range | 125–450VDC | 125–450VDC | 125–450VDC |
| Max. PV Array Power (2 MPPTs) | 11,000W (5.5+5.5) | 13,200W (6.6+6.6) | 13,200W (6.6+6.6) |
| Max. PV Input Current | 25A + 25A | 25A + 25A | 25A + 25A |
| Parallel Units Support | Up to 6 | Up to 6 | Up to 6 |
| Communication Interfaces | RS485 / CAN / USB / Dry contact | ||
| Optional Modules | WiFi / GPRS | WiFi / GPRS | WiFi / GPRS |
| Cooling Method | Smart air cooling | ||
| IP Rating | IP65 | ||
| Operating Temperature | -25°C to +60°C | ||
| Dimensions (mm) | 750×440×240 | ||
| Weight | 42 kg | ||
| Certifications | UL1741, IEEE1547.1, CEC, HECO, Rule21, FCC15 Class B, RoHS | ||
| Warranty | 5 Years | ||
