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125kW / 261kWh commercial battery storage system, all-in-one C&I ESS, liquid-cooled energy storage cabinet, PV-storage integrated ESS, STS backup power system, outdoor industrial battery storage
The CFE 125kW / 261kWh All-in-One C&I Battery Energy Storage System is a fully integrated solution developed for modern commercial and industrial applications. It combines the battery system, PCS, dual MPPT, and STS (static transfer switch) in a single cabinet, making it ideal for peak shaving, load shifting, solar-plus-storage operation, self-consumption improvement, backup power, and microgrid projects.
Built with LFP (lithium iron phosphate) cells in a 1P260S configuration, the system delivers a total battery capacity of 261.24kWh and a rated output power of 125kW. It is designed to meet the needs of medium to large-scale users that require stable power supply, flexible energy management, and long-term reliability. As a high-performance industrial energy storage system, it provides an efficient and practical solution for businesses seeking to improve energy resilience and operational efficiency.
With its highly integrated structure, this model helps reduce installation complexity, save on-site space, and shorten project timelines. It supports both grid-connected and off-grid operating modes, while the built-in STS enhances supply continuity for critical loads. This makes it a strong fit for factories, industrial parks, data-related facilities, and integrated energy projects where uptime and operational stability matter.
For overseas customers, the all-in-one design also simplifies system integration, reduces engineering workload on site, and supports faster commissioning, which is particularly valuable for standardized projects and large-scale deployment. As part of CFE’s broader portfolio of Industrial and Commercial Energy Storage Solutions, this product is designed to help customers achieve more efficient, reliable, and scalable energy use.
One of the key strengths of this system is its balance of high integration, reliable performance, and suitability for real commercial and industrial operating conditions.
The system provides 125kW rated power output, supports 110% continuous overload operation, and can deliver 120% short-term output capacity. This allows it to respond more effectively to fluctuating loads and temporary surge demands, making it suitable for sites with variable power requirements.
The integrated STS enables fast switching between grid-connected and off-grid modes, helping maintain power continuity for essential equipment. This is especially valuable for applications where uninterrupted power supply is critical to daily operations.
On the battery side, the system uses 3.2V 314Ah LFP cells with a cycle life of over 8,000 cycles, offering an excellent balance of safety, longevity, and long-term operational stability. The liquid cooling design delivers better thermal consistency than conventional air cooling, which is particularly beneficial for high-frequency and high-load commercial applications. The system also includes electrical protection functions for overcurrent, short circuit, and arc fault-related risks.
For solar-plus-storage projects, the unit features dual MPPT channels, each rated at 63kW, for a total PV input capacity of 126kW. With MPPT efficiency of up to 99%, the system supports both AC coupling and DC coupling, making it suitable for new projects as well as retrofit applications. This helps customers make better use of on-site solar resources and improve overall Renewable Energy utilization.
The system adopts a dual-layer BMS architecture and supports both local and cloud-based management for real-time monitoring, remote diagnostics, and intelligent energy scheduling. It can also connect to mainstream SCADA platforms through communication protocols such as Modbus TCP / RTU, where applicable, making integration into existing energy management systems easier and more efficient.
The cabinet is rated IP54 with C4 anti-corrosion protection, making it suitable for outdoor installation in a wide range of environments. With an operating altitude of up to 3,000 meters, the system offers strong environmental adaptability for diverse project locations.
This product is suitable for commercial and industrial sites that require higher power capacity, stronger supply continuity, and more flexible energy management.
The system can be used for demand charge reduction, transformer load relief, and backup support for critical production equipment during short grid interruptions. As a practical peak shaving battery system, it helps industrial users optimize electricity costs and improve power reliability.
For commercial buildings operating under time-of-use pricing, the system helps optimize electricity consumption, shift load to off-peak periods, and improve overall energy utilization efficiency.
With the support of the built-in STS, the system improves power continuity for critical loads, making it suitable for data-related facilities, telecom rooms, and other applications where stable power supply is essential.
The dual MPPT design enables coordinated PV and battery operation, helping improve solar self-consumption and support more efficient use of Renewable Energy in commercial and industrial projects.
In areas with unstable grid conditions, the system can be used as a supplementary power source or as part of a microgrid solution, delivering more stable and flexible local energy support.
The CFE 125kW / 261kWh all-in-one system combines battery storage, power conversion, PV integration, and fast switching capability into a compact, field-ready platform. It is an ideal choice for customers looking for a reliable industrial energy storage system that can support cost optimization, energy resilience, and future expansion.
As a professional C&I Battery Storage System Supplier, CFE is committed to providing efficient, safe, and application-oriented storage products for global commercial and industrial markets.
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Main Product:
Residential Energy Storage System,
Commercial and industrial Energy Storage System,
Utility Energy Stroage System,
Inverter,
Lithium-ion battery ,
Portable Energy Storage
