Merak CESS Series
Merak CESS Series

Merak CESS Series

5MW container ESS: highly integrated, modular, flexible deployment. Emergency & temporary power. For PV stations, wind farms, industrial parks, commercial complexes, data centers, etc.


  • Energy co-location: Co-located with renewables improves renewable energy utilization.

  • Standalone use: Aux. freq. reg., voltage stab., black start, etc. Reduces grid investment.

  • High efficiency: Efficient operation and maintenance; Increased energy density.

  • Professional Protection: IP55 waterproof, corrosion resistance ≥ C4; Designed specifically for outdoor use.

  • Smart Management: Efficient Operation & Maintenance; Automated & Intelligent Management.

  • Safe & Worry-Free: Four-Layer Safety Protection Design; Active Fire Protection System.


Get the Merak CESS Series Price
Cabinet Parameters
Rated Capacity5015.96kWh
Battery Pack Configuration1P104S
Battery Cluster Configuration1P416S
Battery Cluster ID12
Operating Voltage1040.0Vdc ~ 1497.6Vdc
Nominal Voltage1331.2Vdc
Max Charge/Discharge Rate0.5P
Operating Temperature-30°C ~ 55°C
Humidity0 ~ 95%RH
Temperature Control MethodLiquid Cooling
IP / Corrosion Resistance LevelIP55 / ≥C4
Fire Suppression SystemPerfluorohexanone
Dimensions (W*D*H)6058×2438×2896mm
Weight≈43t
Max Operating Altitude≤3000m
Cycle Efficiency≥94%
Fire DetectionTemperature, smoke, and combustible gas detection
Battery Module Parameters
ParameterMerak-2.5MW-5MWhMerak-2.5MW-5MWh
Nominal Voltage166.4V332.8V
Battery Capacity-314Ah
Battery Pack Energy52.249KWh104.5KWh
Cells in Series/Parallel1P52S1P104S
Voltage Range130V ~ 187.2V260V ~ 379.6V
Max Continuous Charge/Discharge RateCharge: 0.5C; Discharge: 1C
Max Pulse Charge/Discharge CurrentCharge: 0.5C; Discharge: 1C
Operating TemperatureCharging: 0°C ~ 60°C; Discharging: -20°C ~ 60°C
Storage Temperature-35°C ~ 60°C
Dimensions (W*D*H)1200*790*247mm2180*790*247mm

Outdoor Container Energy Storage Syste

  • Merak-2.5MW-5MWh-NP.pdf 718B Download
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