Name: China 125KW 261kWh Liquid-Cooled Energy Storage System Cabinet Manufacturers Suppliers - Chuangxun Energy
Brand: MECC
SKU: 320836300

MECC 125KW 261KWH BESS Battery Energy Storage System

The MECC 125kw 261kWh Battery Energy Storage Cabinet is a high-capacity energy storage solution designed for industrial and commercial applications. Featuring 261kWh lithium iron phosphate (LiFePO4) battery, it ensures long-lasting, safe, and efficient energy storage.

The MECC 125kW/261kWh BESS achieves 90% Round-Trip Efficiency (RTE) and offers >6,000 cycles at 90% DoD, reducing the Levelized Cost of Storage (LCOS) by 15% compared to traditional 280Ah cell systems.

Thermal Management Technology in 125kW BESS

1. High-Efficiency LiFePO₄ Battery Technology

Delivers a long lifespan, enhanced safety, and high energy density

Maintains a 90% Depth of Discharge (DoD) for maximum energy utilization

2. Intelligent Energy Management System (EMS)

Seamless on/off-grid switching (<10ms) for uninterrupted power supply

Supports multiple operating modes, including peak shaving, time-shifting, and emergency backup

Real-time monitoring and remote management capabilities

3. Versatile Applications for Commercial & Industrial Use

Ideal for microgrids, factories, EV charging stations, data centers, and off-grid solutions

Reduces electricity costs by optimizing power consumption and integrating renewable energy

4. Advanced Safety & Protection Features

Optional AFCl to effectively prevent fire risks caused by arc faults, ensures system safety.

Multi-layer Protection: Supports battery health alerts and multi-layer protection mechanisms, ensures safety and stability during operation.

5. Easy Installation

Cost-effective Installation: Plug and play pre-assembled simplifies on-site setup. saves time and labor.

Diesel Generator Compatibility: Direct connection to generators without the need for an ATS box, offers flexible power configuration.

6. Liquid Cooling

Accurate temperature control and small temperature difference: The heat transfer coefficient of liquid cooling is much higher than that of air cooling, and the coolant is directly supplied to the battery cells.
Longer battery life: More uniform temperature control allows the battery cells to operate in the optimal range, and the cycle life can be increased by about 20%.

product parameters

TYPE PARAMETER
Model number	MECC-AIO-125-261
System type	125 kW / 261 kWh
BATTERY PARAMETERS
Battery cell	LFP 314 Ah
Battery pack	166.4 V / 314 Ah
Rated voltage (V)	832 (5 modules in series)
Rated energy (kWh)	261
Voltage range (V)	728-936
DC SIDE PARAMETERS
Cell configuration	1P260S
Rated power (kW)	125
Rated charge / discharge rate	0.5P
Standard charge / discharge current (A)	157 / 157
AC OUTPUT PARAMETERS - INVERTER*
Rated AC output power (kW)*	125
Max. apparent power (kVA)*	125
Nominal AC voltage / wiring*	3W+N+PE; 220/380 V, 230/400 V
Nominal AC frequency (Hz)*	50 / 60
Rated AC output current (A)*	180
Max. AC output current (A)*	190
Adjustable power factor range*	0.99 (0.8 lagging to 0.8 leading)
CABINET / BASIC PARAMETERS
Cabinet dimensions W x D x H (mm)	1011.5 x 1420 x 2320
Supplier-listed cabinet weight (t)	Approx. 2.6
Cabinet ingress protection	IP54
Operating temperature (oC)	-20 to +50; derating above +45
Relative humidity	RH <=95% (non-condensing)
Altitude (m)	<2000
Cooling method	Liquid cooling
Coolant	Ethylene glycol / water (50%v : 50%v)
Cell cycle life (test conditions)	8,000 cycles @25oC; 0.5C/0.5C; 90% DOD; 70% EOL
Fire protection system	Aerosol
Detector type	Heat and smoke detection

Usage scenario wiring diagram

A general application with Grid and PV

product-1536-1024

Application with Grid, PV and Generator

product-1536-1024

Working with existing PV inverters without Grid

product-1536-1024

Application for EV Charging Station

product-1536-1024

Photos

FAQ

Why use LiFePO4 (LFP) chemistry for commercial storage?

LiFePO4 (Lithium Iron Phosphate) is the industry gold standard for C&I applications due to its superior thermal stability, safety profile, and long cycle life (6,000+ cycles), outperforming traditional Lead-Acid or NCM batteries.

How much backup time can the 241kWh capacity provide?

This depends on your critical load. For instance, it can support a constant 50kW load for approximately 4.5 hours. We recommend auditing your essential equipment to determine the exact backup duration required.

Is the system scalable if my energy needs grow?

Absolutely. Our 125kW/261kWh cabinet supports parallel configuration for up to 8 units, scaling your capacity up to 1000kW/2.1MWh to grow alongside your business operations.

What is the transition time during a power outage?

The system features an integrated STS (Static Transfer Switch) that ensures a seamless transition to backup mode in less than 10ms. This prevents downtime for sensitive equipment like servers or precision manufacturing lines.

Hot Tags: 125kw 261kwh liquid-cooled energy storage system cabinet, China 125kw 261kwh liquid-cooled energy storage system cabinet manufacturers, suppliers