| Model | KEINV—40SR-EU | KEINV—100SR-EU | KEINV—60SR-EU | KEINV—88SR-US | KELSA—51A |
| PV INPUT |
| Max.PV Input Power Max. | 5500W | 11000w | 6600W | 11000W | 5500W |
| PV Input Voltage | 500Vdc | 500Vdc | 500Vdc | 500Vdc | 500Vdc |
| Max.Input Current | 22A | 22A+22A | 22A | 22A/22A | 22A |
| Number of MPPT channels | 1 | 2 | 1 | 2 | \ |
| AC PORT |
| Rated Power | 2.8kW | 5.1kW | 2.8kW | 5.1kW | 2.56kW |
| Max. peak power | 4.8kW | 5.63kW | 4.8kW | 5.63kW | 4.9kW |
| Load motor capacity | 4HP | 6HP | 4HP | 6HP | 4HP |
| Rated output voltage | 230Vac (single phase/three phase) | 230Vac (single phase) | 230Vac (single phase/three phase) | 240Vac （split phaseL1+L2+N+PE ） | 230Vac (single phase/three phase) |
| Rated Grid/ Backup Frequency | 50Hz/60Hz |
| bypass overload current | 40A |
| GENERAL DATA |
| Operating Temperature Range | -20°C to 50°C |
| Dimensions(L*W*H) | 650/260/630mm | 650/260/1000mm | 650/260/630mm | 650/260/1000mm | 650/260/630mm |
| Weight | 66kg | 127kg | 68kg | 127kg | 71kg |
| Communication | CAN/ RS485 |
| Battery Type | Lithium battery/Lead acid battery/user defined |
| Nominal Capacity | 4.8kWh | 9.6kWh | 4.8kWh | 9.6kWh | 5.12kWh |
| Maximum Usable Capacity | 4.4kWh | 8.8kWh | 4.4kWh | 8.8kWh | 4.6kWh |
| Depth of Discharge(DoD) | 90% |
| Nominal Battery Voltage | 48V | 48V | 48V | 48V | 51.2V |
| Operating Voltage Range | 42～54.5V | 42～54.5V | 42～54.5V | 40～60V | 48～56V |
| Rated Charging/discharging current | 50A | 100A | 50A | 100A | 50A |
| Max Charging/discharging current | 96A | 110A | 96A | 110A | 96A |
| Over current protection | 98A | 110A | 98A | 110A | 98A |
| Cycle Lifetime | ＞6,000 |
| SYSTEM |
| environment | Indoor | -25~55℃, >45℃ derating | -25~55℃, >45℃ derating | -25~60℃, >45℃ derating | -25~55℃, >45℃ derating |
| Cooling | Smart air cooling |
| Warranty | 5 Years |
