20Ft 3.44MWh liquid cooled container ESS

20Ft standard container ESS-3.44MWh

RAJA cabinet energy storage system series is mainly composed of the energy storage battery, battery management system (BMS), monitoring system, fire protection system, temperature control system, and container auxiliary system. The product is applicable to power plants, power grid, and user side, and can be customized to meet actual requirements. It can be used for 1c or lower charging and discharging scenarios.

20Ft 3.44MWh liquid cooled container ESS
Product Features
  • Highly integrated design

    Integrated in a 20-foot standard container for easy transportation and delivery.

  • Pre-installation design

    Greatly reduce the installation workload on the construction site.

  • Safe & reliable

    High thermal stability of LFP cell, IP54 for outdoor applications, C5 corrosion protection, 20 years of reliability.

  • Three-stage pressure relief valve design

    Battery unit explosionproof valve + battery pack explosion-proof valve + container pressure relief plate.

  • Efficient thermal management

    The use of liquid cooling extreme temperature control system, battery cluster internal cell temperature difference ≤2.5℃, life increased by 33%.

  • Intelligent & friendly

    Support cell internal resistance real-time detection, multi-dimensional analysis of battery status. Rapid state detection and fault recording, to achieve rapid system fault location and analysis.

Special Features
  • 10P384S

    LiFePO4 cells

  • 3150kVA

    Rated power

  • 3.44MWh

    Energy storage

  • ≥6000

    Battery cycles

  • >90%

    System efficiency


Technical Specifications



Battery type LFP

Nos of cells

Rated energy 3.44 MWh

Rated voltage



Operating voltage


DCVoltage Range [V]


Max. Continuous Charging Rate(C)


Max. Continuous Discharging Rate(C)


Communication  Mode


Container Size[W*D*H,mm]




Protection level


Fire Protection System


Cooling method

Liquid coooling

Noise Level(dB)


Operating Temperature(℃)

-20 to+60

Storage Temperature(℃)

-20 to+60

Relative Humidity[non-condensing]


Highest Altitude

4500m(derating above 3000m)


Project Cases

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Residential ESS

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Residential ESS

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