SAJ CHS2-50K-T6-X is an advanced hybrid energy storage system that combines an inverter, battery module and backup power in a single unit. It is designed for larger residential properties, businesses, farms and retail premises, where it ensures efficient use of solar energy, reduces electricity costs and provides reliable power during grid outages. Up to ten units can be connected in parallel, enabling capacities from 60 kWh to 4 MWh.
| Parameter | Value |
| Rated AC power | 50 kW (up to 75 kVA for 5 s) |
| PV input | Up to 100 kWp · 6 × MPPT · max. voltage 1,000 V · string current 22.5 A |
| PV oversizing | Up to 200 % |
| Battery | LiFePO₄, 280 Ah cells · capacity up to 100.3 kWh |
| Max. charging/discharging current | 150 A |
| Efficiency | Up to 98% max. · 97.3% European · 96% battery-to-AC |
| Output voltage | 380 / 400 V, three-phase, 50 Hz |
| Backup output | 50 kW / 75 kVA · transfer time 20 ms |
| Service life | More than 8,000 cycles |
| Protection | AFCI, fire and carbon-monoxide detection, cabinet fire protection, Type II SPD (AC and DC), overvoltage and short-circuit protection |
| Communication | Wi-Fi, Ethernet, RS485 (optional CAN) |
| Operating temperature | −30 °C up to +50 °C |
| Protection rating | IP55 (battery/system) · IP66 (inverter) |
| Altitude | Up to 2.000 m |
| Dimensions (H × W × D) | 1.980 × 988 × 1.065 mm |
| Weight | 1.035–1.365 kg (depending on battery capacity) |
| Expandability | Up to 10 units in parallel · 60 kWh up to 4 MWh |
| Operating modes | Self-consumption, time-of-use operation (TOU), backup mode, load management, diesel-generator integration (microgrids), VPP |
| Monitoring | EnGrid platform |
| Warranty | 10 years |