| Price | $3,699 | $4,199 |
| Inverter Type | hybrid | hybrid |
| Input Data (PV) | ||
| Max PV Input Power | 18 kW | 21 kW |
| MPPT Voltage Range | 120-440 V | 120-440 V |
| Max PV Input Voltage | 600 V | 600 V |
| # of MPPTs | 2 | 3 |
| Inputs per MPPT | 2 / 2 | 2 / 2 / 1 |
| Max Usable Input Current | 26 A | 26 A / 26 A / 15 A |
| Max Short Circuit Input Current | 31 A | 31 A / 31 A / 19 A |
| AC Couple | No (only with gridboss) | No (only with gridboss) |
| Max AC Couple Input Power | ||
| Output Data (AC) | ||
| Nominal Output Power | 13 kW (with PV+grid) 10 kW (battery only) | 16 kW (with PV) 12 kW (battery only) |
| Peak Surge | 20 kW | 24 kW |
| Locked Rotor Amps (LRA) | 195 A | 195 A |
| Output Voltage | 120/240V | 120/240V |
| Grid Frequency | 50/60Hz | 50/60Hz |
| Max Output Current | 54 A | 66.7 A |
| Max Grid Passthrough (Bypass) | 90 A | 90 A |
| Battery | ||
| Battery Nominal Voltage | 48 V | 48 V |
| Battery Type | Lead-acid / Lithium | Lead-acid / Lithium |
| Max Battery Charge / Discharge | 208 A / 208 A | 250 A / 250 A |
| General Info | ||
| Idle Consumption | 60 W | 65 W |
| Parallel Support | Up to 10 units | Up to 16 units |
| Monitoring | App/Web (LCD optional) | App/Web (LCD optional) |
| Outdoor Rating | NEMA 4X | NEMA 4X |
| Dimensions (H×W×D) | 29.5 x 20.5 x 10.4 in | 30.4 × 22.3 × 11.2 in |
| Weight | 115 lbs | 121 lbs |
| Noise Level | <50 dB @ 3 ft | <50 dB @ 3 ft |
| Warranty | 10 years | 10 years |