| Price | $6,250 | $3,699 |
| Inverter Type | hybrid | hybrid |
| Input Data (PV) | ||
| Max PV Input Power | 19.5 kW | 18 kW |
| MPPT Voltage Range | 150-425 V | 120-440 V |
| Max PV Input Voltage | 500 V | 600 V |
| # of MPPTs | 3 | 2 |
| Inputs per MPPT | 2 / 2 / 2 | 2 / 2 |
| Max Usable Input Current | 26 A / 26 A / 26 A | 26 A |
| Max Short Circuit Input Current | 44 A / 44 A / 44 A | 31 A |
| AC Couple | Yes | No (only with gridboss) |
| Max AC Couple Input Power | 19.2 kW | |
| Output Data (AC) | ||
| Nominal Output Power | 15 kW (with PV) 12 kW (battery only) | 13 kW (with PV+grid) 10 kW (battery only) |
| Peak Surge | 24 kW | 20 kW |
| Locked Rotor Amps (LRA) | 195 A | |
| Output Voltage | 120/240V, 120/208V, 220V | 120/240V |
| Grid Frequency | 50/60Hz | 50/60Hz |
| Max Output Current | 62.5 A | 54 A |
| Max Grid Passthrough (Bypass) | 200 A | 90 A |
| Battery | ||
| Battery Nominal Voltage | 48 V | 48 V |
| Battery Type | Lead-acid / Lithium | Lead-acid / Lithium |
| Max Battery Charge / Discharge | 275 A / 275 A | 208 A / 208 A |
| General Info | ||
| Idle Consumption | 90 W | 60 W |
| Parallel Support | Up to 12 units | Up to 10 units |
| Monitoring | App/Web/LCD | App/Web (LCD optional) |
| Outdoor Rating | IP65 / NEMA 3R | NEMA 4X |
| Dimensions (H×W×D) | 31.8 × 19.4 × 12 | 29.5 x 20.5 x 10.4 in |
| Weight | 135 lbs | 115 lbs |
| Noise Level | <30 dB @ 77°F | <50 dB @ 3 ft |
| Warranty | 10 years | 10 years |