High-Power Liquid-Cooled Commercial ESS (125kW/232kWh, 125kW/261kWh)

Cell Type:
DFD-CESS-125K232: LFP cell, 280Ah
DFD-CESS-125K261: LFP cell, 314Ah
Cell Configuration: Both models are 260 series, 1 parallel (composed of 13 modules in series, each with 20 cells)
Battery Rated Voltage: 832V
Operating Voltage Range: 728V ~ 936V
Battery Rated Capacity:
DFD-CESS-125K232: 232.9 kWh
DFD-CESS-125K261: 261.2 kWh
Cooling Method: Liquid Cooling
Rated Output Power: 125 kW
Output Current: 150 A
Rated Grid Voltage: AC 480V
Grid Connection: 3-phase 3-wire + PE, or 3-phase 4-wire + N + PE
Grid Frequency: 50Hz / 60Hz dual mode
Total Current Harmonic Distortion: ≤ 3% at full load
Power Factor: Adjustable from -1 to +1
System Max Efficiency: 89%
Configuration: Integrated PCS, optional MPPT and STS
Charge/Discharge Rate: ≤ 0.5C, corresponding current 140A
Operating Temperature Range: -20℃ ~ 55℃; auto derate above 45℃
Relative Humidity: 0% ~ 95% non-condensing
Max Operating Altitude: 3000m; derate above 3000m
Isolation: Industrial transformer isolation
Protection Rating: IP54
Cycle Life: ≥ 6500 cycles @ 25℃, 0.5C charge/discharge, 90% DOD; ≥ 80% capacity retention
Communication Interfaces: CAN / Ethernet / RS485
Display: LCD screen
Noise Level: < 78 dB
Dimensions (W × D × H): 1800 × 1200 × 2300 mm
Total Weight: ~3.2 tons (7054 lbs)
Certifications: Certified / Pending IEC/EN62619, IEC/EN60730, UN38.3, UN3480, IEC/EN62477, IEC/EN61000, IEC/UL60730, GB/T36276, etc.