C&I ESS

ESS-TRENE 261kWh

  • 125kW | 261kWh

Designed for diverse commercial and industrial energy storage scenarios, the AC-coupled ESS Liquid Cooling Cabinet integrates high-performance battery technology, intelligent energy management, advanced safety protection, and flexible system configurations.  Advanced thermal management, multi-level protection, remote monitoring, and smart O&M further enhance system safety, efficiency, and lifecycle performance.

Product Advantage

Built with integrated BMS, EMS, and PCS architecture, the ESS-TRENE 261kWh Energy Storage System delivers stable and intelligent system operation while supporting both grid-connected and off-grid applications. Multi-level protection, advanced fire detection and suppression, intelligent thermal management, and real-time monitoring enhance overall system safety and operational reliability. Meanwhile, intelligent energy management, remote monitoring, and smart O&M capabilities enable more efficient system operation and reduce maintenance requirements and costs.

ESS-TRENE Liquid Cooling 261

All In One

  • All-in-one design, factory pre-assembled and pre-commissioned

  • Plug-and-play design for fast on-site deployment

  • Side-by-side installation, flexible layout and capacity expansion


Assured Safety

  • Real-time cell monitoring, 7-day early short-circuit warning

  • PACK, Cluster, PCS, and AC-side 4-level overcurrent protection

  • Multi-layer redundant fire safety design for ultimate thermal safety


Stable and Efficient

  • Fully self-developed 3S (BMS, EMS & PCS) for seamless & stable operation

  • High-efficiency system with RTE up to 90%

  • Smart liquid cooling & AI-driven BMS extend lifespan by up to 2 years


Smart O&M

  • Integrated with SolaXCloud, adaptive strategies for up to 12% higher returns

  • Unmanned site management with one-click upgrades to reduce O&M costs


Product Parameters

  • TRE261-2A
  • TRE261-2B
  • TRE261-2A-1
  • TRE261-2D-1
  • TRENE-P124B261L-E
  • TRENE-P125B261L-E
  • TRE261-2A
    TRE261-2A
    • AC INPUT & OUTPUT (ON-GRID)

      Rated output power

      125 kW

      Rated AC voltage

      3 / N / PE, 220 / 380 a.c. V

      3 / N / PE, 230 / 400 a.c. V


      Rated AC frequency

      50 Hz / 60 Hz


    • DC SIDE

      Battery type

      LFP / 314 Ah

      Nominal energy

      261 kWh

      Nominal voltage

      832 d.c. V


    • GENERAL INFORMATION

      Dimensions (W×D×H)

      1090 × 2430 × 1350 mm

      Weight

      2550 kg

      Operating  temperature range

      -30 ~ 55°C (>45℃ derating)

      Max. operation altitude

      3000 m

      Cooling concept    

      Liquid cooling

      Ingress protection   

      IP55

      If there is any change in product size and parameters, please refer to the latest information without prior notice.


  • TRE261-2A
    TRE261-2B
    • AC INPUT & OUTPUT (ON-GRID)

      Rated output power

      124.9 kW

      Rated AC voltage

      3 / N / PE, 220 / 380 a.c. V

      3 / N / PE, 230 / 400 a.c. V


      Rated AC frequency

      50 Hz / 60 Hz


    • DC SIDE

      Battery type

      LFP / 314 Ah

      Nominal energy

      261 kWh

      Nominal voltage

      832 d.c. V


    • GENERAL INFORMATION

      Dimensions (W×D×H)

      1090 × 2430 × 1350 mm

      Weight

      2550 kg

      Operating  temperature range

      -30 ~ 55°C (>45℃ derating)

      Max. operation altitude

      3000 m

      Cooling concept    

      Liquid cooling

      Ingress protection   

      IP55

      If there is any change in product size and parameters, please refer to the latest information without prior notice.


  • TRE261-2A-1
    • AC INPUT & OUTPUT (ON-GRID)

      Rated output power

      125 kW

      Rated AC voltage

      3 / N / PE, 220 / 380 a.c. V

      3 / N / PE, 230 / 400 a.c. V

      Rated AC frequency

      50 Hz / 60 Hz


    • DC SIDE

      Battery type

      LFP / 314 Ah

      Nominal energy

      261 kWh

      Nominal voltage

      832 d.c. V


    • GENERAL INFORMATION

      Dimensions (W×D×H)

      1090 × 2360 × 1350 mm

      Weight

      2450 kg

      Operating  temperature range

      -30 ~ 55°C (>45℃ derating)

      Max. operation altitude

      3000 m

      Cooling concept    

      Liquid cooling

      Ingress protection   

      IP55

      If there is any change in product size and parameters, please refer to the latest information without prior notice.


  • TRE261-2D-1
    • AC INPUT & OUTPUT (ON-GRID)

      Rated output power

      99.9 kW

      Rated AC voltage

      3 / N / PE, 220 / 380 a.c. V

      3 / N / PE, 230 / 400 a.c. V

      Rated AC frequency

      50 Hz / 60 Hz


    • DC SIDE

      Battery type

      LFP / 314 Ah

      Nominal energy

      261 kWh

      Nominal voltage

      832 d.c. V


    • GENERAL INFORMATION

      Dimensions (W×D×H)

      1090 × 2360 × 1350 mm

      Weight

      2450 kg

      Operating  temperature range

      -30 ~ 55°C (>45℃ derating)

      Max. operation altitude

      3000 m

      Cooling concept    

      Liquid cooling

      Ingress protection   

      IP55

      If there is any change in product size and parameters, please refer to the latest information without prior notice.

  • TRENE-P124B261L-E
    TRENE-P124B261L-E
    • AC SIDE (ON-GRID)

      Rated AC power

      124.9 kW

      Rated AC voltage

      3 / N / PE, 220 / 380 V 

      3 / N / PE, 230 / 400 V


      Rated AC frequency

      50 Hz / 60 Hz


    • DC SIDE

      Battery type

      LFP / 314 Ah

      Nominal energy

      261 kWh

       Rated battery voltage

      832 V


    • GENERAL INFORMATION

      Dimensions (W×D×H)

      1350 × 2355 × 1350 mm

      Weight

      2810 kg

      Operating  temperature range

      -30 ~ 55°C (>45℃ derating)

      Max. operation altitude

      3000 m

      Cooling concept    

      Liquid cooling

      Ingress protection   

      IP55

      If there is any change in product size and parameters, please refer to the latest information without prior notice.



  • TRENE-P125B261L-E
    TRENE-P125B261L-E
    • AC SIDE (ON-GRID)

      Rated AC power

      125 kW

      Rated AC voltage

      3 / N / PE, 220 / 380 V 

      3 / N / PE, 230 / 400 V


      Rated AC frequency

      50 Hz / 60 Hz


    • DC SIDE

      Battery type

      LFP / 314 Ah

      Nominal energy

      261 kWh

       Rated battery voltage

      832 V


    • GENERAL INFORMATION

      Dimensions (W×D×H)

      1350 × 2355 × 1350 mm

      Weight

      2810 kg

      Operating  temperature range

      -30 ~ 55°C (>45℃ derating)

      Max. operation altitude

      3000 m

      Cooling concept    

      Liquid cooling

      Ingress protection   

      IP55

      If there is any change in product size and parameters, please refer to the latest information without prior notice.


Data Download

  • Datasheet
  • User Manual
  • Quick Installation Guide
  • Maintenance Guide
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