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GWB5016kWh liquid-cooled BESS

The 5016kWh liquid-cooled BESS is a highly integrated, large-capacity, high-efficiency standard containerized energy storage system. It adopts lithium iron phosphate (LFP) 314Ah cells and liquid-cooled temperature control technology, integrating battery clusters, BMS, PCS, EMS, fire protection and power distribution. It is specially designed for scenarios such as grid-side applications, new energy matching, industrial and commercial use, and large-scale shared energy storage, achieving stable energy storage operation with large capacity, long service life and high safety.
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//Core Structure and Functions

1. Liquid-Cooled Temperature Control · Ultimate Stability

Adopting liquid cooling + AI thermal management, it achieves precise temperature control with a cell temperature difference ≤ 3℃. It greatly improves cycle life, charge-discharge efficiency and environmental adaptability. Compared with traditional air cooling, it has lower self-power consumption, faster heat dissipation and longer service life.

2. High Safety · Multiple Protection

  • LFP high-safety battery cells with strong thermal stability

  • Cluster-level isolation, no parallel circulation current

  • Triple protection: PACK-level fire protection + perfluorohexanone + water fire protection

  • Smoke detection / temperature detection / thermal imaging / explosion-proof pressure relief / six-sided flame retardancy

  • Complies with standards such as UL1973, IEC62619, GB/T36276

3. High Integration · Plug-and-Play

  • 20-foot container integrated design: Battery + PCS + BMS + EMS + Fire Protection + Power Distribution

  • Pre-assembled and pre-commissioned, enabling on-site rapid deployment and plug-and-play

  • Modular cluster design for convenient maintenance and on-line replacement

4. Intelligent Management · Efficient Operation and Maintenance

  • Intelligent BMS + EMS: Active balancing, accurate SOC calibration, remote monitoring

  • Supports RS485/CAN/MODBUS/IEC61850 for grid/platform connection

  • AI diagnosis, automatic early warning and low-power design, minimizing operation and maintenance

5. Large Capacity · Strong Adaptability

  • 5016kWh large capacity, single cabinet meets high-power long-term energy storage needs

  • Supports multi-cabinet parallel connection, easily expandable to 10MWh/50MWh/100MWh level power stations

  • Suitable for wind/photovoltaic grid connection, grid peak regulation, peak shaving and valley filling, backup power supply, microgrid

//Product Features

  1. Integrated Plug-and-Play Design: Integrates all key components — including long-life LFP batteries, BMS, PCS and thermal management system — into a standard outdoor container for easy deployment and expansion.

  2. Excellent Safety and Active Protection: Equipped with a dedicated fire protection system and rapid and efficient early warning capability to ensure a high level of safety and risk mitigation.

  3. Proven Long-Term Reliability: Adopts long-life lithium iron phosphate (LFP) batteries and advanced Battery Management System (BMS) to ensure durability, stability and extended service life.

  4. High Performance and Efficiency: Equipped with a high-performance Power Conversion System (PCS) and an efficient thermal management system to maintain optimal power output and operational efficiency under various conditions.

  5. Multi-Functional Application Value: Provides direct economic and operational benefits through peak shaving and valley filling, dynamic capacity increase, and as a reliable emergency power supply.

//Detailed Specifications

Category

Item

Specifications

Battery Parameters

Cell Type

3.2V / 314Ah, LFP

Rated Voltage

1331.2V

Voltage Range

1040~1518.4V

Rated Power

2500kW

System Capacity

5016kWh

Configuration

12P416S

Rated Frequency

50Hz

Charge/Discharge Rate

0.5C

System Parameters

AC Side Rated Voltage

10kVAC

AC Side Wiring Mode

Three-Phase Three-Wire

Heat Dissipation Method

Intelligent Liquid Cooling

Converter Cooling Method

Forced Air Cooling

Fire Protection Plan

Composite detectors (smoke, temperature, combustible gas) in PACK; Cabin-level combustible gas detector; Smoke sensor, temperature sensor, sound and light alarm; PACK spray, centralized spray; Perfluorohexanone fire extinguishing agent; Water fire protection

Protection Level

IP54

System Communication Mode

CAN, RS485, Ethernet, 4G

Cycle Life

≥6000 cycles

Product Weight

≈44T

Product Dimensions

6500×2700×2950mm

Environmental Conditions

Installation Method

Outdoor Installation

Ambient Temperature

-20℃~55℃

Humidity Range

0~95% (non-condensing)

Altitude

2000 meters

//Typical Application Scenarios

1. Residential PV Energy Storage System

Matching with PV inverter, it stores electricity during the day and discharges at night to save electricity bills, ensuring emergency power supply during power outages. It supplies power to all household appliances such as refrigerators, air conditioners, lighting, routers and computers, ensuring uninterrupted life.

2. Industrial and Commercial Peak Shaving and Valley Filling

For factories, shops and office buildings, it charges at valley periods and discharges at peak periods to significantly reduce electricity costs. As a UPS backup power supply, it ensures zero-interruption operation of production lines, cash registers and monitoring equipment.

3. RV / Marine Vessels / Special Vehicles

It supplies power for RV parking life, fully meeting the needs of air conditioners, refrigerators, induction cookers and lighting. For marine DC power supply and yacht energy storage, it replaces traditional lead-acid batteries, being lighter, smaller and having longer endurance.

4. Off-Grid / Microgrid / Emergency Power Supply

It provides off-grid power supply for mountainous areas, islands, pastures and field operations, and achieves energy self-sufficiency with PV. In emergency rescue and disaster relief sites, it provides reliable power for communication, lighting and medical equipment.

5. Communication Room / UPS Backup

As a 48V backup power supply for 5G base stations and weak current equipment rooms, it replaces lead-acid batteries with maintenance-free and remote monitoring functions. For data center UPS systems, it provides uninterrupted power supply for servers and switches.

//Frequently Asked Questions (FAQs)

Q1: Is professional installation required?

A: Yes, it must be installed and commissioned by a professional team with electrical engineering qualifications. This system is a high-voltage and high-power containerized energy storage system (BESS), involving high-voltage DC, high-voltage AC and strong current grid connection, with high operational risks. Operation by non-professionals may easily cause safety accidents such as short circuits, electric shocks, equipment damage and grid connection failures.

Q2: Can multiple units be paralleled to form a larger energy storage power station?

A: Yes. It supports multi-cabinet parallel expansion, which can be easily expanded to 10MWh, 50MWh, 100MWh or even larger-scale energy storage power stations, uniformly managed by EMS.

Q3: What are the advantages of liquid cooling compared to air cooling?

A: Smaller cell temperature difference (generally ≤3℃) and longer service life; higher heat dissipation efficiency, supporting higher rate charge and discharge; lower system energy consumption and smaller footprint; more suitable for harsh environments such as high temperature, high humidity and high altitude; higher overall reliability and safety.

Q4: What is the operating temperature range?

A: Standard operating temperature: -20℃~+50℃. The liquid-cooled temperature control can ensure that the battery cells work in the optimal temperature range, and it can operate stably in extremely cold/high temperature areas.

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              +86-199 1330 9175
Email: daniel@gwzk-electric.com
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Address: Shabei Industrial Park, Industrial Cluster Management Committee of Huaidian Hui Town, Shenqiu County, Zhoukou City, Henan Province, China
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