18,000W Three-Phase Pure Sine Wave Output
120/208Vac (L1+L2+L3+N+PE), 50A rated, 2× peak power (36,000W for 10s). Built for large homes, ranches, and workshops with three-phase equipment.
Dual MPPT 28.8kW Solar Input
2×14.4kW PV arrays, 36A per channel, 600Vdc max. MPPT efficiency 99.9%. Compatible with high-power 500W+ modules.
360A Battery Charging & Discharging
48V system, 40-60Vdc range. Supports Li-ion (LiFePO4/Ternary), Lead-Acid (SLA/GEL/FLD), and User-Defined. BMS communication via RS485/CAN for 20+ battery brands.
Parallel Up to 6 Units
108kW System — Stackable for whole-home backup or light commercial use. Three-phase parallel with synchronized output.
All-in-One Energy Management
Grid/Generator/PV triple-source charging, time-slot TOU scheduling, UPS zero-transfer, generator auto-start dry contact, SOLARMAN Smart WiFi monitoring.
| Liber 18KT Off-grid Three-phase Inverter | |
| Inverter Rated Output Power | 18,000W |
| Max.AC Output Power | 19800VA |
| Inverter Rated AC Output Current | 50Acac |
| Battery Voltage | 48V |
| Battery Max.PV Charging Current | 360A |
| Charging Strategy for Li-ion Battery | Self-adaption to BMS |
| Max.PV Input Power | 14,4KW+14,4KW |
| Max.PV Input Voltage | 600Vdc+600Vdc |
| Parallel Capacity | 1~6 units |
| Weight | 118 Ibs |
| Inverter Peak Output Power | 2 times rated power,10s |
| Inverter Rated Output Voltage | 120/208Vac(L1+L2+L3+N+PE) |
| Inverter Bypass Overload Current | 100Acac |
| Battery Type | LiFePO4/Lead Acid |
| Battery Max.AC Charging Current | 360A |
| No.of MPPT Trackers | 2 |
| Max.PV Input Current | 36A+36A |
| MPPT Operating Voltage Range | 120-550V |
| Dimensions(W×HxD) | 23.36"×33.40"×8.47" |
| Protection Degree | IP20,indoor use only |