Name: China Commercial Battery Storage 50KW 100kWh Battery Energy Storage Cabinet Manufacturers Suppliers - Chuangxun Energy
Brand: MECC
SKU: 284712314

MECC 50KW 112KWH BESS Battery Energy Storage System

The MECC 50kW/112kWh BESS is the 'Goldilocks' solution for businesses where residential batteries are too small and large industrial cabinets are excessive. It is specifically optimized for small supermarkets, clinics, and 50kW solar arrays.

Designed with a compact footprint of less than 1.2 square meters, this 112kWh cabinet features a pre-integrated all-in-one design, reducing on-site installation time by 40% compared to modular rack systems.

Detailed Product Features:

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

It can act as a solar-storage-diesel hybrid system

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.

For businesses with high peak demand but limited roof space, the 50kW/112kWh system delivers an optimized ROI within 4 years by focusing on demand charge management and providing 8+ hours of critical backup power for small cold storage facilities.

50kW BESS vs. Multiple Residential Battery Stacks: "Unlike daisy-chaining multiple residential batteries, our 50kW/112kWh industrial-grade cabinet offers a single-point integrated BMS and PCS, ensuring higher system stability and industrial-standard fire safety that residential units cannot match.

bess

product parameters

Model	MECC-50/112
DC Parameters
Max.PV Array Power	100 kWp
Max.PV Input Voltage	1000V
Nominal Input Voltage	600V
MPPT voltage range	150-850 V
Max.PV Current	40A/40A/40A/40A
Max.Short Circuit Current	60A/60A/60A/60A
No.of MPPTs/Strings per MPPT	4/2
AC Parameters
Rated output power	50 kW
Max.apparent power	50kVA
Nominal AC voltage	3W+N+PE, 220V/380V 230V/400V
Nominal AC frequency	50Hz/60 Hz
Rated output current	76 A
Max.output current	76 A
Adjustable Power Factor range	＞0.99 (0.8 lagging to 0.8 leading)
Peak Output Apparent Power(2s)	80 kVA
THDi(rated power)	<2%
Battery Parameters
Battery Type	LiFePO4
Rated Capacity	314 Ah
Rated Battery Voltage	358.4V
Rated Energy	112 kWh
Max.Charging/Discharging Current	157A
System Parameters
Depth of Discharge	90%
Operating Temperature	-25℃to+55℃
Operating Humidity	0%-95%(non-condensation)
Operating Altitude	2000m
Communication	RS485/Wi-Fi/Ethernet/CAN
Temperature Control Mode	Smart air cooling
Noise	<70dB
Ingress Protection	Cabinet:IP55;Inverter:IP66
*Dimension(WHD)*	≤100021001100 mm
Weight	≤1400 kg

Usage scenario wiring diagram

A general application with Grid and PV

BESS

Application with Grid, PV and Generator

Generator

Working with existing PV inverters without Grid

ESS Cabinet

Application for EV Charging Station

BESS Cabinet

Cases

Battery storage system

FAQ

1. How to Calculate ROI for a 500kW Industrial BESS?

ROI is calculated by dividing the Annual Net Savings by the Total Installed Cost (CAPEX).

Savings Streams: Combine Peak-Valley Arbitrage (charging at low rates, discharging at high rates) and Demand Charge Reduction (shaving peak power spikes to lower monthly utility fees).

Formula:

Annual Savings = (Energy Arbitrage Profit) + (Demand Charge Savings) + (Operational Incentives) - (Annual O&M Costs)

ROI (%) = (Annual Savings / Total Initial Investment) x 100

Benchmark: Typical payback for a 500kW factory system is 4.5 to 6 years.

2. Air Cooling vs. Liquid Cooling in BESS: Key Differences

The choice depends on your factory's climate and space constraints.

Liquid Cooling: Uses coolant (glycol/water) for direct thermal management. It keeps cell temperature variance under 3°C, extending battery life by up to 20%. Best for high-density systems and hot climates.

Air Cooling: Uses fans and HVAC. It has lower upfront costs and simpler maintenance but struggles with "hot spots," leading to faster cell degradation and higher auxiliary power consumption.

Verdict: Liquid cooling is now the industrial standard for 500kW+ systems due to better safety and longevity.

3. How to Integrate a Diesel Generator with Solar-Storage?

Integration requires an AC-Coupled Microgrid architecture managed by a smart Controller/EMS.

The Logic: The BESS acts as the Master (Grid-Forming), setting the voltage and frequency. Solar PV provides the primary energy. The Diesel Generator (DG) acts as the Backup, starting only when the BESS battery is low.

Synchronization: A specialized controller ensures the DG and BESS are in phase before connecting.

Efficiency: The BESS handles sudden load surges, allowing the DG to run at its most efficient load point (usually 70-80%), preventing fuel waste and carbon buildup.

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