Commercial & Industrial BESS Manufacturer
100kWh – 5MWh Containerized Battery Storage Systems

Reliable commercial and industrial battery energy storage systems (BESS) for peak shaving, backup power, and renewable energy integration. Scalable solutions designed for performance, safety, and long-term efficiency.

  • OEM / ODM Available,adapting to diverse energy storage needs.
  • CE | UL9540A | TUV | UN38.3 | IEC Compliant | Grid Code Ready
  • 300+ C&I energy storage projects delivered.
2MWH bess energy storage system Container

2

Overseas Spare Parts Hub

5

Overseas Service Presence

37

European Countries Served

300+

Global Project Count

100kWh – 5MWh C&I BESS Cabinet

1MWh liquid-cooled containerized battery energy storage system integrated with all-in-one ESS design
Front view of 418kWh liquid-cooled BESS cabinet for commercial and industrial energy storage
Front view of 100/120kWh commercial solar battery storage cabinet with integrated inverter
5MWh liquid-cooled battery energy storage container front view for utility-scale and grid battery storage projects
2170kWh liquid-cooled battery energy storage container with integrated PCS EMS and hybrid cooling system for utility-scale and commercial BESS applications
Front view of 64kWh compact solar battery storage cabinet for small commercial and off-grid projects
101kWh air-cooled integrated energy storage cabinet for commercial and industrial BESS applications
418kWh liquid-cooled BESS cabinet at an angle on white background
Front view of 241kWh air-cooled battery energy storage cabinet for commercial use
261kWh liquid-cooled battery energy storage system cabinet
Front view of the EPS125/375/750-C series industrial transfer cabinet on a white background, designed for microgrid energy storage switching.
STS250/500/800-C125 energy storage STS transfer cabinet front view for large-scale liquid-cooled battery systems
STS200/500/800-C100 energy storage STS transfer cabinet front view for commercial and industrial backup power
Low voltage energy storage grid-tie cabinet front view for commercial battery storage AC distribution and grid connection
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Tailor-Made Containerized BESS Solutions

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.

Key Benefits of Containerized BESS

Highly Integrated Design

Battery, PCS, BMS, EMS, cooling, and fire protection in one compact containerized BESS, plug-and-play

Advanced Safety System

High-safety LFP batteries with BMS, thermal control, and fire suppression ensure safe operation.

Scalable & Flexible

Available in 10ft / 20ft / 40ft containers, easily scalable from C&I to utility-scale projects.

Rapid Deployment

Factory-assembled system reduces installation time and speeds up grid connection.

Multi-Scenario Applications

Supports on-grid, off-grid, microgrid, and solar + storage use cases.

Smart EMS Optimization

Real-time monitoring and control of battery, PCS, and load for optimized performance.

Easy O&M

Modular design with remote monitoring lowers maintenance effort and cost.

Outdoor-Ready Design

Industrial-grade cooling ensures stable operation in harsh environments.

Why Businesses Invest in BESS

Energy costs are rising. Grid stability isn’t guaranteed. And renewable power doesn’t always align with your operating schedule. A Battery Energy Storage System (BESS) helps solve all three challenges in a practical way.

Take Control of Energy Costs

Instead of buying electricity when rates are at their highest, you can store power during low-cost periods and use it during peak demand. This reduces demand charges and protects your margins from price volatility.

Keep Operations Running

Outages and grid instability can disrupt production, logistics, or critical systems. A BESS delivers immediate backup power, helping maintain continuity and reducing downtime risk.

Turn Energy Into Revenue

Stored electricity can be dispatched during high-demand periods and, in many markets, sold back to the grid. That means unused capacity becomes a financial opportunity rather than wasted potential.

Make Renewable Energy Reliable

Solar and wind don’t always generate power when you need it. Energy storage captures excess renewable output and releases it on demand, increasing clean energy utilization and reducing dependence on fossil fuels.

Commercial & Industrial Energy Storage Solutions Comparison

Feature / System TypeAir-Cooled BESSLiquid-Cooled BESSStorage + EV Charging Solution
Typical Capacity Range100kWh – 1MWh500kWh – 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
ScalabilityModular (limited for large-scale expansion)Highly scalable (MW-level expansion)Limited scalability
Initial Investment (CAPEX)LowerHigher (better long-term ROI)Medium
Best ApplicationsSmall C&I, backup power, retail, light industryLarge C&I, microgrid, factories, data centers, utility-scaleEV charging stations, solar + storage, peak shaving

Not sure which solution fits your project?

We provide customized BESS solutions from 100kWh to 5MWh+ based on your application and ROI goals.

BESS Projects

3.5MW/7.3MWh lithium ion battery energy storage installation in Romania industrial park.
Anengji 500kW/1165kWh **lithium ion battery energy storage** system deployed in a New Zealand industrial park for frequency regulation.
Ukraine 1MW2MWh battery energy storage system installation
Belgium C&I energy storage system installation with ECO-E107WS PCS

C&I Battery Energy Storage Solutions

AnengJi provides advanced Battery Energy Storage Systems (BESS) designed for high performance and efficiency. Our solutions support grid services, renewable integration, and distributed energy storage. Powered by reliable LiFePO4 batteries and intelligent energy management, they help businesses reduce peak demand, lower costs, and accelerate low-carbon transition.

Commercial solar storage EV charging system with battery energy storage for fast EV charging stations

Solar + Storage + EV Charging Solution

AnengJi integrates BESS with EV charging to build an efficient solar-storage-charging ecosystem. Supporting both AC and DC coupling, the system maximizes solar utilization and reduces grid pressure. Smart energy dispatch lowers charging costs and improves overall efficiency, enabling a greener charging network.

C&I Backup Power Solution

Designed for factories, commercial buildings, and large facilities, this solution ensures reliable power supply. In case of grid instability or outages, the system instantly switches to backup mode, keeping operations running without interruption and enhancing energy security.

Battery energy storage system providing backup power for commercial and industrial facilities during grid outage
Off-grid microgrid energy storage system integrating solar and wind power for remote industrial applications

Off-Grid & Microgrid Solution

Ideal for remote areas such as mining sites, islands, and industrial parks. AnengJi integrates solar, wind, and storage to provide stable power in both off-grid and grid-connected modes. It solves power access challenges while increasing renewable energy usage and system reliability.

Global BESS Projects & Local Service Support

Ensuring fast delivery, local compliance, and reliable after-sales service

Proven Presence Across Europe

We have built a strong footprint across Europe, with our energy storage solutions deployed in 37 countries, including key markets such as Germany, Italy, Spain, and Poland.Our experience in diverse grid environments ensures that every BESS project we deliver meets local standards and real-world operating conditions.

Local Support, Faster Execution

To better serve our clients, we operate 10+ overseas service hubs in regions such as the Netherlands, Germany, and the Middle East.Our local teams—including native engineers—enable smooth communication, faster project coordination, and on-site technical support when it matters most.

AnengJi Power Trusted Global Storage Partner

Fast & Reliable After-Sales Service

We understand that uptime is critical for energy storage projects.

With spare parts warehouses in the Netherlands and Belgium, we provide:

  • Response within 8 hours in key regions
  • On-site support as fast as 2 hours (for urgent cases)
  • Full unit replacement solutions for critical failures

This ensures your project runs continuously, without costly downtime.

Quality is baeked by certification.

Our EV charging stations are built to meet the highest global standards. Each unit is tested and certified by CE | UL9540A | TUV | UN38.3 | IEC. Production takes place in ISO-certified facilities, ensuring consistent quality and safety you can trust. These chargers are made to last and perform reliably in a wide range of environments—whether indoors, outdoors, or on the road.

We also understand that every business has different needs. That’s why we offer custom charging solutions designed around your specific requirements, from commercial fleets to residential communities and workplace charging.

Quality is baeked by certification.

Our EV charging stations are built to meet the highest global standards. Each unit is tested and certified by CE, UL, CCC, RoHS, TUV, and CB. Production takes place in ISO-certified facilities, ensuring consistent quality and safety you can trust. These chargers are made to last and perform reliably in a wide range of environments—whether indoors, outdoors, or on the road.

We also understand that every business has different needs. That’s why we offer custom charging solutions designed around your specific requirements, from commercial fleets to residential communities and workplace charging.

Battery Storage-FAQs

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.

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.

For grid energy storage and PV BESS installations, downtime is not an option. Our service includes:

  • Local Support: We operate specialized after-sales centers in Europe for rapid on-site maintenance and component replacement.
  • 24/7 Technical Support: Lifetime online assistance via WhatsApp, WeChat, or Email for any bess battery storage operational queries.
  • Remote Diagnostics: We provide real-time video consultations and remote monitoring for your battery storage system, allowing our engineers to troubleshoot issues without delay.

Quality control is integrated into every stage of our energy storage systems production.

  1. Rigorous Testing: We provide pre-production samples and conduct a 100% final inspection before any BESS system leaves the factory.
  2. Full Traceability: Every container BESS supports “One Unit, One Code,” allowing complete traceability from individual battery cells to the final assembly.
  3. High Standards: Our systems are designed to meet the demands of grid scale battery storage, utilizing Tier-1 cells and advanced thermal management to ensure maximum safety and longevity for all our battery storage companies partners.

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.

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.

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.

Our systems utilize intelligent algorithms to execute core strategies automatically, requiring zero manual intervention:

  • Energy Arbitrage: The system monitors real-time price signals, charging during low-tariff periods (at night or midday during PV surplus) and discharging during high-tariff peaks to profit directly from the price spread.
  • Dynamic Peak Shaving: By monitoring instantaneous power in milliseconds, the system automatically discharges when the load approaches the contract demand threshold, avoiding heavy peak-demand penalties.
  • PV Self-Consumption: It prioritizes the consumption of green energy generated on-site, storing excess power rather than selling it back to the grid at low rates, often increasing self-sufficiency to over 80%.
  • Seamless Backup Power: Upon detecting a grid failure, the system switches to off-grid mode in <20ms, safeguarding production lines and sensitive data.
  • Grid Services: Depending on local regulations, systems can participate in Frequency Containment Reserve (FCR/aFRR) or Virtual Power Plant (VPP) projects to generate additional auxiliary service revenue.

Substantial ROI: Optimized for high-tariff environments like Europe, investment costs are typically recovered within 3–5 years (depending on local price spreads and subsidies), offering a highly competitive Internal Rate of Return (IRR).

Energy Independence & Security: Reduce reliance on unstable grids, mitigate the risk of power rationing, and provide your enterprise with true energy sovereignty.

Compliance & Sustainability: We utilize the safest LiFePO4 cells, meeting rigorous EU standards (CE, UN38.3) and local grid codes (such as VDE, G99), helping companies meet ESG reporting requirements and RE100 goals.

Modular Scalability: Featuring containerized or cabinet-based modular designs, our systems support seamless expansion from 100kWh to MWh levels to match your business growth.

Smart O&M: Our cloud-based monitoring platform provides 24/7 data analysis, fault warnings, and remote firmware updates (OTA) to maximize the system’s total lifecycle value.

While various technologies exist, Battery Energy Storage Systems (BESS) based on Lithium-ion have become the mainstream choice for the European C&I sector due to high efficiency and rapid response:

  • Lithium Iron Phosphate (LFP) Systems: (The preferred AnengJi solution) Known for superior thermal stability, long cycle life (>6000 cycles), and cobalt-free environmental benefits, LFP is the safety benchmark for commercial applications.
  • Flow Batteries: Suitable for ultra-long duration storage (4+ hours), but carry high initial investment costs and are currently reserved for specific long-duration regulation scenarios.
  • Hybrid Systems: Combining BESS with diesel generators, hydrogen, or thermal storage to provide multi-energy complementary solutions for remote industrial zones or microgrids.
  • Note: Traditional lead-acid batteries are being phased out due to short lifespans and high maintenance, while mechanical storage (like flywheels) is primarily used for millisecond frequency regulation rather than energy time-shifting.

The cost is determined by system scale, technical configuration, and site conditions. Key components include:

  • Hardware (CAPEX): Includes battery modules, Power Conversion Systems (PCS), BMS, EMS, and thermal/fire management systems. LFP battery costs have decreased significantly in Europe due to economies of scale.
  • Installation & Integration (EPC): Site preparation, electrical wiring, grid connection permits, and coordination with local Distribution System Operators (DSOs).
  • Soft Costs: Engineering design, compliance certification, insurance, and long-term O&M agreements.
  • Recovery Factors: Many European countries (e.g., Germany, Italy, France) offer tax credits, low-interest loans, or direct subsidies that drastically reduce the net cost. We provide customized ROI analysis models to calculate your specific financial outlook.

To ensure a successful investment, we recommend evaluating the following dimensions:

  • Localization & Compliance: The system must comply with the specific grid codes of the installation country (e.g., VDE 2510-50 in Germany, G99/G100 in the UK). All AnengJi products carry full EU certification.
  • Battery Chemistry & Safety: Prioritize LFP technology, which has a very low risk of thermal runaway, making it ideal for indoor or high-occupancy areas.
  • Efficiency & Longevity: Focus on Round-trip Efficiency (RTE) (should be >85%) and cycle life guarantees (typically 10 years or 6,000 cycles).
  • Compatibility: Ensure the system integrates seamlessly with existing PV inverters, EV charging infrastructure, and third-party EMS platforms while supporting future capacity expansion.
  • Bankability & Service: Partner with providers who have local European technical support teams and long-term fulfillment capabilities to ensure spare parts supply throughout the system’s life.

Request a Quote Now

  • 100kWh–5MWh system configuration
  • Application and capacity review
  • Grid, PV and backup requirements assessment
  • Applicable documentation confirmed by model and market
  • OEM/ODM and integration options available

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