Energy Storage System

Energy Storage System Manufacturer for C&I & Residential

Battery Energy Storage System (BESS)

Comprehensive industrial solutions for renewable integration, grid stabilization, and advanced energy management.

Battery Energy Storage Systems (BESS) are integrated electrical energy storage systems used for renewable energy integration, peak shaving, grid stabilization, backup power, frequency regulation, and industrial energy management.

Core Components

Lithium battery modules
Battery Management System (BMS)
Power Conversion System (PCS)
Energy Management System (EMS)
Thermal & Fire suppression systems
Transformer and switchgear

Key Applications

Solar & Wind integration
C&I Facilities
EV charging infrastructure
Utility-scale grid support
Microgrid & Telecom projects

Most industrial BESS solutions use LFP (Lithium Iron Phosphate) or NMC (Nickel Manganese Cobalt) chemistries based on application specific requirements.

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MECC energy storage systems integrate high-performance lithium-ion battery modules, efficient inverters, and intelligent BMS (Battery Management System) into one-stop solutions, covering both commercial & industrial (C&I) and residential scenarios. For C&I clients like factories and shopping malls, our systems realize peak shaving, valley filling, and backup power functions, effectively reducing electricity costs and avoiding production losses caused by power outages. For residential users, the compact-designed systems can store surplus electricity from solar panels or the grid, ensuring stable power supply for daily use. We adopt modular design, allowing flexible expansion of capacity from 5kWh to 1000kWh according to actual needs, and the intelligent monitoring platform supports remote real-time monitoring of system status via mobile APP or PC.

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LFP (Lithium Iron Phosphate)

Pros: Thermal stability, High safety, Long cycle life (6000–12000 cycles).

Temp Range: -20°C to +55°C

Best for: Utility-scale ESS, Commercial/Solar storage.

NMC (Nickel Manganese Cobalt)

Pros: High energy density, Reduced footprint, Fast response.

Cycle Life: 3000–6000 cycles

Best for: Space-limited projects, Mobile ESS.

Product Types

Containerized ESS 20ft/40ft modular outdoor units with integrated HVAC & fire suppression.

Cabinet Systems Compact indoor/outdoor cabinets for commercial & telecom backup.

Utility-Scale MWh to GWh scale for grid frequency regulation and load shifting.

C&I ESS Optimized for peak shaving and demand charge reduction in factories.

Microgrid ESS Off-grid integration with PV and Diesel for mining/remote areas.

Technical Parameters

Parameter	Typical Range
System Capacity	100kWh – 5MWh+
Nominal Voltage	400V – 1500V
PCS Power Range	50kW – 3MW
Cooling Method	Air Cooling / Liquid Cooling
Enclosure Rating	IP54 / IP65
Response Time	<20ms

ESS System Architecture

Battery Rack

Energy storage & cell balancing.

BMS

SOC/SOH monitoring & protection.

PCS

Bidirectional AC/DC conversion.

EMS

Load management & Peak shaving.

Engineering Applications

Solar Farm Integration: Renewable smoothing and stabilization for units up to 500MWh+.

EV Charging Support: Grid buffering and load balancing to prevent transformer overload.

Industrial Processing: Reducing peak demand and power interruptions for heavy industry.

Telecom Infrastructure: Remote backup with high IP protection and remote monitoring.

Cooling Method Comparison

Air Cooling

Lower complexity, easier maintenance, ideal for moderate density systems.

Liquid Cooling

Precise thermal control, higher uniformity, essential for high-density ESS.

Installation & Commissioning

Our engineering team evaluates foundation load capacity, cable routing, HVAC airflow, and fire separation distances.

• Foundation Preparation

• PCS & Transformer Integration

• Container Positioning

• EMS Setup & Comms

• Electrical Connection

• Grid Synchronization Testing

Frequently Asked Questions

What is the cycle life? 3000 to 12000 cycles depending on chemistry and depth of discharge.

Does it support off-grid operation? Yes, with the appropriate PCS and EMS configuration.

What communication protocols are used? Modbus, CAN Bus, Ethernet, and IEC 61850.

Technical Support & Inquiry

For engineering evaluation and ESS project consultation, contact our specialists.

Get Technical Datasheet Request Project Consultation

LFP Data • PCS Specification • Thermal Management • Grid Integration

We're well-known as one of the leading energy storage system manufacturers and suppliers in China. If you're going to wholesale custom made energy storage system with competitive price, welcome to get more information from our factory.

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