261KW C&I Energy Battery Storage

261kWh C&I Energy Battery Storage System with 125kW PCS

The 261kWh C&I energy battery storage system is a high-capacity commercial and industrial energy storage solution designed for peak shaving, load shifting, renewable energy integration, smart grid support, backup power, and daily energy cost control. Equipped with a 125kW PCS and 261kWh battery storage, this integrated commercial battery storage system helps factories, warehouses, logistics hubs, retail centers, commercial campuses, and mixed-use facilities manage electricity more intelligently. With advanced BMS protection, real-time monitoring, scalable architecture, and grid-connected performance, it supports reliable operation today while preparing businesses for the future of energy grid transformation.

AC SIDE (ON-GRID)
Rated AC power	125 kW
Max. Output apparent power	125kVA
Rated AC current	189.4 A @220 V; 181.2 A @230 V
Max. Output continuous current	189.4 A @220 V; 181.2 A @230 V
Rated AC voltage	3 / N / PE, 220 / 380 V; 3 / N / PE, 230 / 400 V
AC voltage range	340～440 V
Rated AC frequency	50 Hz / 60 Hz
Adjustable power factor range	-1～+1
THDi (rated power)	<3%
DC component	<0.5% (rated power)
DC SIDE
Battery type	LFP / 314 Ah
Nominal energy	261kWh
Battery voltage Range	728V ～ 936V
Rated battery voltage	832V
GENERAL PARAMETER
Dimensions (W*H*D )	1000*1300*2320 mm
Weight	About 2.5t
Operating temperature range	-20℃~55℃(＞45℃ derating)
Noise	≤75dB
Relative humidity	0-95%(no condensation)
Max. Operation altitude	≤4000m (degraded above 2000m)
Cooling method	Liquid Cooling
Ingress protection	IP54
Topology	Non-isolated
Standards	IEC62619, EN62477, IEC 63056, IEC 61000, UN38.3.
Communication interface	Ethernet
Communication protocol	Modbus TCP/RTU
Anti-corrosion degree	C4(C5 option)
Configuration of safety	Aerosol Extinguishing*6, Water
Max. Parallel quantity(off-grid)	8
PCS
AC SIDE(ON-GRID)
Rated AC output power	125 kW
Max. AC output apparent power	137.5 kW
Max. current	200 A
AC output type	(3W+PE) three-phase three-wire/(3W+N+PE) three-phase four-wire
Rated AC voltage	230 / 400 V
Voltage deviation	-15%~ +15%
Rated grid frequency	50 ± 5 Hz / 60 ± 5 Hz
Power factor	0.99
Power factor range	-1 lagging ~+1 leading
THDi( rated power)	< 3%
DC component	< 0.5% (rated power)
Overload capacity	110% long term(at rated)
Maximum efficiency	98.5%
DC SIDE
Operating voltage range	615~950 (3W+PE) /650~950(3W+N+PE)
Full load voltage range	615~950 (3W+PE) /680~950(3W+N+PE)
Number of inputs	1
Maximum current	203 A
General Parameters
Dimension (W × H × D)	500 × 270 × 670 mm
Weight	66.5 kg
Altitude	4000 m (derate above 2000 m)
Operating temperature	-30 °C ~ 55 °C (derate above 45 °C)
Humidity	0% RH ~ 95% RH, non-condensing
Cooling method	Intelligent air cooling
IP rating	IP20
Communication	CAN / RS485 / Ethernet
Storage temperature	-45 °C ~ 70 °C
BATTERY PACK
Battery type	LFP 314Ah
Battery capacity	52.249 kWh
Battery configuration	1P52S
Rated battery voltage	166.4 V
Battery voltage range	145.6~ 187.2 V
Weight	340 kg
Dimensions (W*H*D)	790*1145*245 mm
Charge / Discharge current	157 A
Relative humidity	0~95%RH (non-condensing)
Max. Operation altitude	3000 m
Ingress protection	IP67
Certifications	IEC 62619, EN/IEC 61000, EN62477, UN38.3

High-Capacity C&I Energy Battery Storage for Modern Businesses

The 261kWh C&I Energy Battery Storage System with 125kW PCS is built for commercial and industrial users who need dependable power, intelligent energy control, and stronger protection against rising electricity costs. As businesses face demand charges, unstable grid conditions, and growing pressure to adopt cleaner energy solutions, this system gives operators the ability to store, control, and use electricity with greater precision.

Designed as a professional commercial battery storage system, it combines 261kWh battery storage with a high-performance 125kW Power Conversion System. This balance of energy capacity and power conversion makes it ideal for daily cycling, peak shaving, load shifting, solar energy storage, smart grid interaction, and backup support for essential business loads.

This system is suitable for:

• Manufacturing and processing facilities
• Warehouses and logistics hubs
• Commercial campuses and office parks
• Retail centers and mixed-use buildings
• Public facilities and business complexes
• Facilities integrating renewable energy
• Smart grid energy management projects
• Industrial users with high or fluctuating loads

Unlike simple backup batteries, this C&I energy battery storage solution works as an active energy asset. It helps businesses reduce grid dependence, optimize energy spending, store renewable power, and improve operational resilience.

For companies planning long-term energy upgrades, the system offers a practical path toward cost control, power security, and future-ready grid participation.

125kW PCS Energy Storage for Stable Grid-Connected Performance

At the core of the system is a robust 125kW PCS designed for efficient power conversion and stable grid interaction. The PCS converts stored DC battery energy into usable AC electricity while managing energy flow between the battery, electrical grid, on-site generation, and facility loads.

For commercial and industrial energy applications, PCS performance is critical. The 125kW PCS helps maintain stable output, supports grid-connected operation, and enables intelligent power dispatch based on site demand and energy strategy.

Key PCS capabilities include:

• Efficient DC-to-AC power conversion
• Fast response for peak demand management
• Smooth synchronization with the energy grid
• Stable output for sensitive commercial equipment
• Support for hybrid and grid-connected applications
• Intelligent control for load shifting and peak shaving

This makes the system valuable for facilities with variable power demand, production equipment, HVAC systems, pumps, compressors, refrigeration loads, lighting, elevators, IT systems, or EV charging infrastructure.

By controlling how and when stored energy is discharged, the PCS helps businesses reduce high-cost grid consumption and maintain better power quality. It also supports future smart grid strategies where energy storage becomes a key part of grid flexibility and local energy management.

261kWh Battery Storage Built for Daily Commercial Energy Use

The integrated 261kWh battery storage is engineered for demanding commercial and industrial environments. With enough capacity to cover peak demand windows, support renewable energy use, and provide short-duration backup, it gives businesses greater control over daily electricity consumption.

This industrial energy storage solution is designed for frequent charge and discharge cycles. It supports daily operation where energy storage is used not only during outages, but also as part of regular cost-saving and energy optimization strategies.

Battery storage advantages include:

• 261kWh capacity for C&I energy applications
• Daily cycling for active energy management
• Stable discharge characteristics for commercial loads
• Advanced Battery Management System protection
• Continuous voltage and temperature monitoring
• Reliable performance for grid and solar applications

The advanced BMS monitors battery status, temperature, voltage, current, and system conditions to support safe and efficient operation. This helps protect the battery, improve performance consistency, and support long-term service reliability.

For businesses with time-of-use electricity pricing, the battery can store energy during low-cost periods and discharge during high-tariff periods. This load shifting energy storage strategy helps reduce electricity costs and improves energy budget predictability.

Commercial Battery Storage for Peak Shaving and Cost Reduction

Demand charges can create serious cost pressure for commercial and industrial facilities. Even short spikes in electricity use can increase monthly utility bills. The 261kWh C&I energy battery storage system helps reduce this problem through intelligent peak shaving.

As a peak shaving battery system, it discharges stored electricity during high-load periods, reducing the amount of power drawn from the grid. This helps lower peak demand, smooth facility load profiles, and reduce energy costs over time.

Peak shaving and cost-saving benefits include:

• Reduced demand charges
• Lower peak grid consumption
• Improved energy cost control
• Better use of stored electricity
• Reduced pressure on transformers and electrical infrastructure
• Stronger return on energy storage investment

The system also supports load shifting, allowing businesses to charge when electricity prices are lower and discharge when prices are higher. For facilities operating under time-based tariffs or high-demand billing structures, this can create meaningful long-term savings.

For manufacturers, warehouses, commercial buildings, and public facilities, the ability to control electricity consumption during peak hours makes this system a practical investment in operational efficiency.

Renewable Energy Storage System for Solar and Grid Optimization

The 261kWh system is a strong fit for businesses adopting solar PV or other renewable energy assets. As a renewable energy storage system, it stores excess clean energy when generation is high and releases it later when business demand increases or grid electricity becomes more expensive.

Without storage, unused solar energy may be exported to the grid at limited value. With battery storage, businesses can increase solar self-consumption and reduce electricity purchases from the utility.

Renewable energy storage benefits include:

• Higher solar self-consumption
• Reduced grid dependency
• Better use of on-site generation
• Support for carbon reduction goals
• Improved renewable energy return on investment
• More flexible commercial energy management

This system can also support grid-connected battery storage applications by helping balance energy flow between on-site generation, business loads, and the utility grid. For companies preparing for the future of energy grid development, battery storage provides the flexibility needed to participate in smarter, more adaptive energy systems.

Smart Grid Energy Storage for Future-Ready Facilities

Modern energy infrastructure is moving toward more intelligent, flexible, and distributed grid systems. Businesses that invest in smart grid energy storage can gain greater control over power flows, energy costs, and grid interaction.

The 261kWh C&I Energy Battery Storage System supports smart energy strategies through real-time monitoring, adaptive control, and energy performance tracking. Operators can monitor battery status, power flow, system health, alarms, and historical data to make better energy decisions.

Smart energy management features include:

• Real-time power and energy data
• Battery status and system health visibility
• Alarm and fault notifications
• Historical performance analysis
• Adaptive charge and discharge control
• Grid-responsive operation

These functions help commercial users prepare for future energy markets, changing tariff structures, and new grid requirements. As energy systems become more dynamic, intelligent battery storage gives businesses a stronger position in managing power reliability and cost.

Business Backup Power and Reliable Commercial Operation

Power interruptions can disrupt operations, damage productivity, and create financial losses. This system provides dependable business backup power support for essential loads during short outages, grid disturbances, or unstable power conditions.

Backup applications include:

• Production control systems
• Security and access control
• Refrigeration and cold storage
• IT and server equipment
• Emergency lighting
• Communication systems
• Commercial building essentials
• Public facility support loads

Compared with generator-only solutions, battery storage offers fast response, quiet operation, and cleaner power support. When combined with solar energy, it can also form part of a more sustainable resilience strategy.

For businesses where uptime matters, the 261kWh system provides more than savings. It helps protect critical operations and supports continuity when grid power is uncertain.

Integrated, Scalable, and Safe Energy Storage Design

The system integrates batteries, PCS, controls, monitoring, and safety components into a compact engineered enclosure. This reduces installation complexity, saves site space, and creates a clean professional appearance for commercial and industrial locations.

Integrated design advantages include:

• Reduced installation footprint
• Faster deployment
• Simplified electrical connection
• Professional commercial appearance
• Easier operation and maintenance
• Lower project complexity

The system is also scalable. Multiple units can be installed in parallel to increase total energy capacity and power output as business needs grow. This allows companies to start with one system and expand later as load demand, renewable capacity, or backup requirements increase.

Safety is built into the design through advanced BMS protection, thermal monitoring, voltage supervision, electrical fault detection, isolation functions, and emergency shutdown capability. These features support reliable long-term operation in demanding commercial environments.

Future-Ready 261kWh Commercial Energy Storage Solution

The 261kWh C&I Energy Battery Storage System with 125kW PCS gives businesses a powerful platform for energy cost control, grid interaction, renewable energy optimization, and operational resilience. With 261kWh battery storage, 125kW PCS, intelligent monitoring, scalable architecture, and advanced safety protection, it is designed for the next generation of commercial and industrial energy infrastructure.

Whether used for peak shaving, load shifting, renewable energy storage, smart grid participation, or backup power, this system helps businesses operate with greater confidence and stronger energy independence.

For commercial and industrial users preparing for a smarter, cleaner, and more resilient energy future, this high-capacity C&I energy storage solution delivers the performance, flexibility, and reliability needed to move forward.