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Utility-Scale Battery Energy Storage System (BESS) 3.85 MWh

Categories Commercial Battery Storage Systems
Brand Name: Wenergy
Model Number: Turtle 3.85MWh
Price: Negotiable
Payment Terms: L/C, T/T
Certification: IEC/EN 62477, NFPA855, IEC/EN 62619, IEC/EN 60730, IEC/EN 63056, UL 1973, UL 9540A
MOQ: Negotiable
Battery Type: LFP 314Ah
Rated Energy: 3.85 MWh
Rated Power: 2 MW
DC Rated Voltage: 1228.8V
DC Voltage Range: 1075.2V ~ 1382.4V
AC Rated Voltage: 690V
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  • Product Details
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Utility-Scale Battery Energy Storage System (BESS) 3.85 MWh

/ Application scenarios


PV power
Wind power
Power grid side
Industry and commerce


/ Key Advantages of the 3.85 MWh Container
Cost Efficiency

Lower Transportation Costs: Unlike heavier containers, the 3.85 MWh system falls within standard weight limits for road transport, avoiding the need for special permits or additional logistics expenses.


Reduced Infrastructure Costs: With a lighter load, the foundation requirements are less demanding, resulting in lower concrete and steel reinforcement costs compared to higher-capacity units.


Optimized Land Use: While slightly larger in footprint than higher-capacity models, the 3.85 MWh container still offers efficient land utilization, making it ideal for projects with space constraints.


Ease of Deployment

Simplified Logistics: The 3.85 MWh container’s weight and dimensions comply with standard transportation regulations, ensuring smoother and faster delivery to project sites.


Flexible Installation: Its modular design allows for easy integration into existing energy systems, making it a versatile choice for grid stabilization, renewable energy integration, and industrial applications.


Global Compliance and Safety

Fully Certified: The 3.85 MWh container meets stringent international standards, including IEC 62619, UL 9540, and CE Marking, ensuring compliance with European and North American safety and performance requirements.


Proven Reliability: With certifications covering battery safety, system performance, and environmental protection, this product delivers peace of mind for operators and investors alike.


/ Ideal Use Cases
Small to Medium-Scale Projects: For projects under 200 MWh, the 3.85 MWh container offers an optimal balance of cost and performance.


Renewable Energy Integration: Perfect for stabilizing grids with high renewable energy penetration, ensuring reliable power supply during peak demand.


Industrial Applications: Provides backup power and load management for manufacturing facilities, data centers, and other critical infrastructure.


ModeTurtle 3.85
Rated Capacity3.85 MWh
Rated Power2 MW
Rated Voltage1228.8V
Voltage Range1075.2V ~ 1382.4V
Battery TypeLFP 314Ah
Soc Estimation Accuracy≤5%
Self-Discharge Rate Month≤3%
IP Protection LevelIP54
Weight (kg)36,000
Cooling TypeLiquid Cooling
Noise<75 dB ( 1m away from the System )
Communication InterfaceWired: LAN, CAN, RS485
Communication ProtocolModbus TCP
System CertificationIEC/EN 62477, NFPA855, IEC/EN 62619, IEC/EN 60730, IEC/EN 63056, UL 1973, UL 9540A

/ System Composition


The system is composed of battery clusters (10 clusters, each with 8 modules), a high-voltage box, a combiner cabinet, a thermal management system, and a fire protection system. The system includes external communication capabilities, enabling data transmission with external equipment such as the HMI, PCS, and fire protection devices, ensuring safe and stable long-term operation.




/ System Layout


Serial NumberName
1Audible and Visual Alarm
2Nameplate
3Fire Control Box
4Earth Connection Point
5Mounting Angle (Optional)
6Air Inlet
7Air Outlet
8Fire Outlet
9Combiner Cabinet
10Container Box
11Battery Module
12Thermal Management System
13Fire Protection System
14High Voltage Box PDU
15Liquid Cooling Unit

/ ESS Container Project Case Study

Romania Photovoltaic + Energy Storage Power Grid Project

Project Overview


The energy storage system is primarily used to participate in grid frequency regulation and enhance grid stability.

It also stores excess power generated by photovoltaics, providing power to the loads during peak demand or when generation is insufficient.

This improves energy utilization efficiency and reduces dependence on the traditional power grid.


Scale

10MW/20MWh


System Configuration


3.85 MWh battery energy storage system containers * 5




Tailored Energy Solutions for Businesses

Within our manufacturing facility, we specialize in the research and production of battery energy storage systems, offering OEM and ODM services alongside our standard product line.


Why Partner with Us

  • Origin Manufacturers: We are your direct source for top-tier products.
  • Customized Solutions: Tailored to meet your unique specifications.
  • Business-Centric Focus: Addressing customer pain points, including unstable grid quality, economic viability, safety, and stability.

ARE YOU LOOKING FOR THE RIGHT PARTNER TO TRANSFORM YOUR ENERGY STORAGE STRATEGY?

Contact us today to learn how our solutions can meet your needs.

Please request a quote or schedule a consultation with our experts!


China Utility-Scale Battery Energy Storage System (BESS)  3.85 MWh factory
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