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Liquid-Cooled C&I ESS | PowerStack 255cs - Sungrow
Liquid-Cooled C&I ESS | PowerStack 255cs - Sungrow

PowerStack 255CS 125kW/257kWh ST255CS-2H

The Next-Gen C&I ESS, Liquid-Cooled To Power Tomorrow's Growth
C&I Energy Storage System
Liquid-Cooled C&I ESS | PowerStack 255cs - Sungrow
IEC
Liquid-Cooled C&I ESS | PowerStack 255cs - Sungrow
For Business
Overview
Documents & Installation

With PCS efficiency of over 98.5% and intelligent liquid cooling, PowerStack 255CS series achieves round-trip efficiency of over 90% consistently. AI-driven thermal balance technology further cuts auxiliary power consumption by 33%, minimizing energy loss while maximizing performance.

Safety that runs through every step, from cell to system level. AI-powered cell management provides predictive protection, multistage overcurrent defense, and 3 levels of fire safety for complete peace of mind.

Easy Installation and Commissioning

With an easy setup process, the system can be installed in a variety of configurations. Side-by-side, back-to-back, or face-to-face. Furthermore, setup just takes one click and 2 minutes. Its fully self-developed system also lessens commissioning time even more.

Modular, seamless, parallel connections

Easier Installation

Automated software commissioning for quicker setup

Fully Setup 1~25 Units in 2 Minutes

PowerStack 255CS series features grid-forming tech that adapts to complex grids while enabling active governance and off-grid solutions with MW-level black start. It ensures stable, efficient power for both grid-tied and off-grid use, perfectly meeting diverse commercial/industrial energy needs.

Easy O&M, Thanks to iSolarCloud
Liquid-Cooled C&I ESS | PowerStack 255cs - Sungrow
With access to the iSolarCloud, you’ll be able to keep track and manage all aspects of your ESS system right from your phone, with minimal effort.
Liquid-Cooled C&I ESS | PowerStack 255cs - SungrowLiquid-Cooled C&I ESS | PowerStack 255cs - Sungrow

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