| Model | SEI-14K-U3P | ISEI-16K-U3P | IESEI-18K-U3P |
| Battery Input Data |
| Battery Type | Lithium-ion |
| Battery Voltage Range (V) | 40-60V |
| Charging Strategy for Li-ion Battery | 150A(75A+75A) |
| Number of Battery Input | Self-adaptation to BMS |
| PV String Input Data |
| Max. PV Access Power | 28000W | 32000W | 36000W |
| Max. PV Input Power | 22400W | 25600W | 28800W |
| Max. PV Input Voltage | 600V/600V/600V |
| Start-up Voltage | 120V |
| Max. PV Input Current | 40A+40A+40A |
| MPPT Voltage Range | 120V–500V |
| Input Frequency Range | 40Hz–70Hz |
| No.of MPPT Trackers | 3 |
| AC Output Data |
| Rated AC OutputPower (W) | 14000W | 16000W | 18000W |
| Max. AC Input/Output Apparent Power | 15400VA | 17600VA | 19800VA |
| Power Factor | 0.8 leading to 0.8 lagging |
| THDI | <3% (of nominal power) |
| Rated Input/Output Voltage/Range | 120/208V, 0.85Un–1.1Un |
| Grid Connection Form | 3L + N + PE |
| Waveform | Pure sine wave |
| Efficiency |
| MPPT Tracking Efficiency | 99.9% |
| Max. Efficiency | 97.50% |
| CEC Efficiency | 97% |
| Certifications | CSA C22.2 No.107.1-16, IEC62109-1, IEC62109-2, EN61000-6-1, EN61000-6-3 |
| General Data |
| Temperature Range | –25°C to +60°C, +45°C Derating |
| Parallel Capacity | 1–9 Units |
| Cooling Method | Heat sink + intelligent air cooling |
| Communication with BMS | RS485/CAN/USB /Dry Contact |
| Weight (kg) | 58 |
| Size (mm) | 480×860×313mm |
| Protection Degree | IP65 |
| Noise | <55dB |
| Warranty | 5 years |
