The 257kWh 125kW Outdoor Energy Storage System is an integrated solution designed for commercial and industrial energy storage applications.
Combining LiFePO4 battery storage, PCS, PV input, battery management, cooling and fire protection within a single outdoor cabinet, the system simplifies installation and provides flexible energy management for solar PV projects, peak shaving, backup power and microgrid applications.
Equipped with 314Ah LiFePO4 cells, the battery system provides 257kWh rated energy with a nominal DC voltage of 819.2V. The integrated PCS supports 125kW rated charging and discharging power, while the PV interface allows up to 120kW solar input, enabling direct integration with photovoltaic systems.
The outdoor IP54 enclosure, intelligent air-cooling system and integrated fire protection provide reliable operation for commercial and industrial installations.
257kWh battery capacity
125kW rated charge/discharge power
High-safety 314Ah LiFePO4 cells
819.2V high-voltage battery system
Up to 120kW PV input
2 MPPT / 4 PV strings
Integrated PCS and BMS
Solar + storage integrated design
Grid-connected operation
Optional off-grid operation
Intelligent air cooling
Integrated aerosol fire protection
IP54 outdoor cabinet
TCP/IP communication
Designed for commercial and industrial ESS projects
| Parameter | Specification |
|---|---|
| Battery Type | LiFePO4 |
| Cell Capacity | 314Ah |
| Battery Configuration | 1P256S |
| Rated Energy | 257kWh |
| Rated Battery Voltage | 819.2V |
| Battery Voltage Range | 716.8–921.6V |
| Max. Charge / Discharge Current | 157A |
| Rated PCS Power | 125kW |
| Rated AC Voltage | AC400V |
| Rated AC Current | 181A |
| Grid Frequency | 50Hz / 60Hz |
| Current Harmonic Distortion | <3% |
| Power Factor | -1 to +1 |
| Max. PV Input Power | 120kW |
| PV Rated Voltage | 600V |
| PV Startup Voltage | 250V |
| MPPT Voltage Range | 200–850V |
| MPPT / Max. PV Strings | 2 / 4 |
| Protection Rating | IP54 |
| Cooling Method | Intelligent Air Cooling |
| Fire Protection | Aerosol Fire Protection |
| Communication | TCP/IP |
| Operating Temperature | 0°C to 50°C |
| Max. Operating Altitude | ≤5000m* |
| Dimensions | 1845 × 1415 × 2381 mm |
| Weight | Approx. 2.6t |
* Power derating may be required above 2000m.
Suitable for:
Commercial & Industrial Energy Storage / Solar PV + Storage / Peak Shaving / Load Shifting / Backup Power / Microgrid / Renewable Energy Integration
