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.
Precision Liquid Cooling System
Advanced liquid cooling technology maintains cell temperature difference ≤3℃, preventing overheating and extending battery lifespan.
Level 1 · PACK-Level Fire Suppression
Real-time temperature monitoring detects abnormal conditions and activates aerosol suppression to prevent thermal runaway.
Level 2 · Container-Level Fire Protection
Multi-sensor detection triggers automatic fire suppression, preventing fire propagation inside the container.
Level 3 · External Cooling Protection
Backup firefighting system provides external water cooling to minimize thermal risks and protect adjacent units.
Peak Shaving | Solar Self-Consumption
Solar Optimization | Grid Services
Energy Arbitrage | Solar Optimization | Backup Power
Energy Arbitrage | Solar Optimization | Backup Power
Battery, PCS, BMS, EMS, cooling, and fire protection in one compact containerized BESS, plug-and-play
High-safety LFP batteries with BMS, thermal control, and fire suppression ensure safe operation.
Available in 10ft / 20ft / 40ft containers, easily scalable from C&I to utility-scale projects.
Factory-assembled system reduces installation time and speeds up grid connection.
Supports on-grid, off-grid, microgrid, and solar + storage use cases.
Real-time monitoring and control of battery, PCS, and load for optimized performance.
Modular design with remote monitoring lowers maintenance effort and cost.
Industrial-grade cooling ensures stable operation in harsh environments.
AnengJi’s experienced engineering team conducts a comprehensive evaluation of your project requirements, including load profile, solar PV capacity, grid conditions, backup duration, site environment, and local compliance standards.
Based on these critical factors, we precisely configure key system components such as container size, battery capacity, power conversion system (PCS), cooling system, energy management system (EMS), and advanced safety protection design, delivering a fully customized, high-performance containerized battery energy storage system (BESS) solution tailored to your specific application.
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 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.
What key factors should be considered when choosing a C&I ESS?
To ensure a successful investment, we recommend evaluating the following dimensions:
AnengJi supplies commercial and industrial battery energy storage systems, AC/DC EV charging equipment and integrated solar-storage-charging solutions. Project support can include system engineering, equipment integration, OEM/ODM manufacturing, factory testing, delivery coordination and commissioning support according to the agreed scope.
