| GPEX- | 3K6L1 | 5KL1 | 6KL1 |
| Battery adaptation | 40-60V Lithium/lead-acid | 40-60V Lithium/lead-acid | 40-60V Lithium/lead-acid |
| Battery capacity | 50-200Ah | 50-200Ah | 50-200Ah |
| Charge and discharge current | 50A | 100A | 100A |
| Number of MPPT channels/number of strings | 1/1 | 2/1 | 2/1 |
| Single channel MPPT power | 4kW | 4kW | 4kW |
| Voltage range | 120-550V (rated MMPT voltage 360V) | 120-550V (rated MMPT voltage 360V) | 120-550V (rated MMPT voltage 360V) |
| Max/Min circuit | 13A/20A | 13A/20A | 13A/20A |
| Rated grid voltage | L-N-PE 220V/230V/240V, 50Hz/60Hz | L-N-PE 220V/230V/240V, 50Hz/60Hz | L-N-PE 220V/230V/240V, 50Hz/60Hz |
| Adapting grid parameters | 180Vac-276Vac | 180Vac-276Vac | 180Vac-276Vac |
| Rated off-grid voltage | L-N-PE 220V/230V/240V, 50Hz/60Hz | L-N-PE 220V/230V/240V, 50Hz/60Hz | L-N-PE 220V/230V/240V, 50Hz/60Hz |
| Rated grid-connected power | 3.6kW | 5kW | 6kW |
| Emergency mode power | 2.5kW | 5kW | 5kW |
| Installation dimensions | 535*485*198(mm) | 535*485*198(mm) | 535*485*198(mm) |
| Protection characteristics | Solar reverse connection protection/ground fault monitoring/overcurrent protection/overvoltage protection/battery | Solar reverse connection protection/ground fault monitoring/overcurrent protection/overvoltage protection/battery | Solar reverse connection protection/ground fault monitoring/overcurrent protection/overvoltage protection/battery |
