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C&I ESS

261 kWh Liquid-Cooled C&I ESS

A 261 kWh Liquid-Cooled Commercial & Industrial Energy Storage System (C&I ESS) is a next-generation high-density lithium battery energy storage solution designed for advanced commercial and industrial energy applications.

Key Highlight

  • Modular design, Reasonable layout, Convenient maintenance
  • All-in-one liquid-cooled design with integrated PCS, BMS and EMS
  • Higher thermal consistency and longer battery service life
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Product Overview

Premium liquid-cooled all-in-one cabinet designed for higher cycling intensity, tighter temperature control, and premium commercial/industrial deployments. Benchmarked to the emerging 125 kW / 261 kWh class now common across global C&I ESS platforms.

Product Features

  • All-in-one liquid-cooled design with integrated PCS, BMS and EMS
  • Higher thermal consistency and longer battery service life
  • Supports grid-tied, off-grid and VPP-ready operating modes
  • Suited for harsh, humid and high-temperature environments
  • Scalable architecture for multi-unit parallel expansion

Technical Specifications

Parameter Specification
Product Code DDEV-CI-261L
Rated Energy 261.248 kWh
Rated Power 125 kW
Cell Type 314 Ah LFP
Nominal Voltage 832 Vdc
Voltage Range 728–936 Vdc
Cooling Method Liquid cooled
Ingress Protection IP55
Cycle Life 6,000–8,000 cycles (application dependent)
Efficiency Up to 99% PCS conversion (benchmark reference class)
Expandability Parallel expansion for multi-cabinet systems
Typical Applications Factories, farms, EV charging, commercial complexes

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