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Looking for a reliable BESS manufacturer and partner?
Need to reduce electricity costs and improve efficiency?
Looking for detailed system specs and technical info?
Our containerized battery energy storage systems (BESS) are designed for commercial, industrial, and utility-scale applications. Available from 100kWh to 5MWh, these battery storage systems support peak shaving, load shifting, grid services, and renewable energy integration.
Designed for commercial solar battery storage, backup power, peak shaving, and EV charging energy storage applications.
Ideal for commercial and industrial solar battery storage, renewable energy integration, and intelligent energy management.
Engineered for containerized solar energy storage, commercial microgrids, and large-scale renewable energy projects.
Built for utility-scale energy storage, grid stability, renewable integration, and large-scale power management.
Not Sure Which BESS System Fits Your Project?
Tell us your application, capacity and location — we will provide a customized solution.
To ensure fast maintenance response and long-term operational reliability, we provide European spare parts warehousing and local technical support services for commercial and industrial battery energy storage projects.
The cost of a battery energy storage system depends on capacity, power requirements, and application.
Scalable from 100kWh to multi-MWh for commercial and industrial use.
Get clear pricing, system design, and ROI insights within 24–48 hours.
Peak Shaving | Solar Self-Consumption
Solar Optimization | Grid Services
Energy Arbitrage | Solar Optimization | Backup Power
Energy Arbitrage | Solar Optimization | Backup Power
CE / IEC Certified BESS System Manufacturer for Global Commercial & Industrial Projects
Our battery energy storage systems (BESS) are built to meet the highest global standards. Each system is tested and certified to CE, UL9540A, TUV, UN38.3 and IEC standards.
Manufactured in ISO-certified facilities, our commercial, industrial and utility-scale battery storage systems deliver reliable performance, safety and long-term operation for global energy projects.
We also provide customized battery energy storage solutions, including containerized BESS, EMS/PCS integration and OEM services for EPC contractors, developers and system integrators.
CE / IEC Certified BESS System Manufacturer for Global Commercial & Industrial Projects
Our battery energy storage systems (BESS) are built to meet the highest global standards. Each system is tested and certified to CE, UL9540A, TUV, UN38.3 and IEC standards.
Manufactured in ISO-certified facilities, our commercial, industrial and utility-scale battery storage systems deliver reliable performance, safety and long-term operation for global energy projects.
We also provide customized battery energy storage solutions, including containerized BESS, EMS/PCS integration and OEM services for EPC contractors, developers and system integrators.
Advanced Manufacturing Capability for 100kWh–5MWh Battery Storage
Anengji specializes in commercial and industrial battery energy storage systems (BESS) ranging from 100kWh to 5MWh for peak shaving, load shifting, demand charge reduction, solar integration, EV charging, backup power and utility-scale energy storage applications.
Our containerized battery energy storage systems are designed for commercial, industrial and utility-scale battery storage projects worldwide.
We support OEM battery energy storage systems, EMS/PCS integration and customized containerized BESS solutions for EPC contractors, system integrators, renewable energy developers and utility-scale energy storage projects.
| Feature / System Type | Air-Cooled BESS | Liquid-Cooled BESS | Storage + EV Charging Solution |
|---|---|---|---|
| Typical Capacity Range | 100kWh – 1MWh | 500kWh – 5MWh+ | 100kWh – 500kWh |
| Round-trip Efficiency | ≥90% | ≥92–95% | ≥90% |
| Cycle Life | ≥6000 cycles | ≥8000 cycles | ≥6000 cycles |
| System Response Time | <100 ms | <100 ms | <100 ms |
| Scalability | Modular (limited for large-scale expansion) | Highly scalable (MW-level expansion) | Limited scalability |
| Initial Investment (CAPEX) | Lower | Higher (better long-term ROI) | Medium |
| Best Applications | Small C&I, backup power, retail, light industry | Large C&I, microgrid, factories, data centers, utility-scale | EV charging stations, solar + storage, peak shaving |
Not sure which solution fits your project?
We provide customized battery energy storage system solutions from 100kWh to 5MWh+ based on your application and ROI goals.
From factory delivery to on-site commissioning, every battery energy storage system project is supported by our experienced engineering team.
We provide dedicated local service support across Europe, ensuring fast response and minimal downtime. In key regions, our engineers can arrive on-site within 8 hours, with emergency response available in as fast as 2 hours.
Our team is committed to resolving issues efficiently on-site, ensuring your energy storage system operates safely, reliably, and without unnecessary delays.
From factory delivery to on-site commissioning, every battery energy storage system project is supported by our experienced engineering team.
We provide dedicated local service support across Europe, ensuring fast response and minimal downtime. In key regions, our engineers can arrive on-site within 8 hours, with emergency response available in as fast as 2 hours.
Our team is committed to resolving issues efficiently on-site, ensuring your energy storage system operates safely, reliably, and without unnecessary delays.
What Is a Battery Energy Storage System (BESS)?
A Battery Energy Storage System (BESS) is a solution that stores electricity in rechargeable batteries and releases it when needed. Battery energy storage systems help businesses reduce electricity costs, improve energy reliability, support renewable energy integration, and provide backup power during outages. BESS solutions are widely used in commercial, industrial, and utility-scale energy storage projects.
Recommended Reading:What is BESS? The Complete Guide to Battery Energy Storage Systems
What Is Grid Scale Battery Storage?
Grid scale battery storage refers to large-scale battery energy storage systems designed to support electrical grids. These systems help balance energy supply and demand, stabilize grid frequency, store renewable energy, and provide reserve power. Grid scale battery storage is commonly deployed by utilities, energy developers, and large industrial facilities.
What Are the Benefits of a Battery Energy Storage System?
Battery energy storage systems provide multiple benefits, including:
Commercial and industrial battery storage systems can significantly improve energy efficiency and operational resilience.
Recommended Reading:
C&I Energy Storage System: Industrial Benefits & ROI Guide
What Are the Advantages of Battery Energy Storage System (BESS)?
What Is Utility-Scale Battery Storage?
Utility-scale battery storage systems are high-capacity energy storage solutions used by utilities, renewable energy developers, and grid operators. These battery storage systems typically range from hundreds of kilowatt-hours to multiple megawatt-hours and support applications such as renewable energy storage, frequency regulation, peak demand management, and grid support services.
Recommended Reading:
Utility Scale Battery Energy Storage Systems: 2026 Grid Guide
How to Select Utility Scale Battery Storage Contractors for Large BESS Projects?
What Is a Containerized BESS?
A containerized BESS is a battery energy storage system integrated inside a standardized container. Containerized battery storage solutions simplify transportation, installation, and maintenance while providing scalable energy storage capacity. They are widely used for commercial, industrial, microgrid, and utility-scale energy storage projects.
What is a Commercial & Industrial Energy Storage System (C&I ESS)?
A Commercial & Industrial Energy Storage System (C&I ESS) is the intelligent energy management core designed for factories, logistics centers, commercial complexes, and large-scale public facilities. More than just a backup power source, it serves as a strategic tool to actively optimize energy assets.
By integrating advanced Lithium Iron Phosphate (LiFePO4) battery technology with a smart Energy Management System (EMS), a C&I ESS enables “time-shifting”—storing electricity during off-peak hours or periods of surplus PV generation and releasing it during peak demand. This significantly reduces electricity expenditure through peak shaving and demand management while providing Uninterruptible Power Supply (UPS) functionality to ensure business continuity during grid fluctuations.
How Do I Choose the Right Battery Energy Storage System?
The right battery energy storage system depends on factors such as:
Commercial and industrial BESS projects typically require customized system sizing and engineering to achieve the best performance and return on investment.
Do you offer OEM or ODM services for custom power storage solutions?
Absolutely. As leading BESS manufacturers, we provide comprehensive OEM and ODM services tailored to your specific needs. Whether you require a specialized commercial battery storage system or a heavy-duty industrial energy storage unit, our engineering team can customize everything from capacity scaling and BMS (Battery Management System) logic to exterior branding.
Note: Minimum Order Quantity (MOQ) varies based on the customization complexity of the power storage battery and structural requirements.
What is the warranty period for your commercial and industrial energy storage systems?
Reliability is the backbone of grid scale energy storage. We offer a standard long-term warranty of 5 to 10 years, depending on the specific BESS system model and application (such as cycle frequency).
Our warranty covers the performance of the electricity storage device and core components, ensuring your investment in commercial energy storage remains productive and efficient for its entire lifecycle.
How is your after-sales service structured for global BESS energy storage projects?
For grid energy storage and PV BESS installations, downtime is not an option. Our service includes:
How do you guarantee the quality and safety of your grid scale battery storage equipment?
Quality control is integrated into every stage of our energy storage systems production.
How do you handle the logistics and shipping for a BESS container?
Shipping a battery energy storage system requires strict adherence to international dangerous goods regulations (UN38.3, MSDS).
We have long-term partnerships with freight forwarders specializing in large scale battery storage logistics. We offer secure sea and air freight options for our BESS container series, ensuring that your energy storage battery arrives at your site safely and in compliance with local grid and safety standards.
Can I request a sample, such as a 100kWh battery storage unit?
Yes, we encourage technical evaluation. While a full 1MWh battery or a 1MW battery storage project is a significant undertaking, we can provide smaller-scale samples like a 100 kWh battery storage system for performance testing.
Please leave your contact details, and our sales manager will reach out to discuss your specific storage solar battery requirements and technical specifications.
What key factors should be considered when choosing a C&I ESS?
To ensure a successful investment, we recommend evaluating the following dimensions:
As a leading Chinese manufacturer of EV charging systems and Commercial & Industrial (C&I) Energy Storage, Anengji provides a full range of AC/DC chargers and modular BESS for fleets, hospitality, OEMs, government agencies, hospitals, and commercial parking. With a robust footprint across North America, Southeast Asia, Central Asia, and Russia, we empower global clients with high-reliability, intelligent energy infrastructure to accelerate efficiency and the green energy transition.
