Located In China
This project is a customized high-voltage, liquid-cooled battery energy storage container developed and manufactured by our company for a domestic high-tech enterprise. The system is deployed in a high-altitude region of Inner Mongolia and is primarily designed to support local high-voltage energy storage applications, including energy storage and dispatch, load regulation, peak-valley electricity tariff optimization, backup power supply, and renewable energy integration.
Considering the challenging environmental conditions at the project site—including high altitude, large day-to-night temperature variations, extremely low winter temperatures, strong winds, and dusty conditions—our company developed a site-specific solution covering container structure, thermal insulation, environmental protection, liquid-cooling thermal management, electrical layout, and equipment integration. These measures ensure the safe, stable, and efficient operation of the energy storage system under demanding high-altitude and cold-climate conditions.
The project adopts a standard 20-foot container as the equipment enclosure. Through a highly integrated design, the container accommodates the high-voltage battery system, liquid-cooling thermal management system, electrical control system, fire protection system, intelligent monitoring system, and auxiliary equipment.
The complete system features a compact structure, high integration, convenient transportation, a short installation period, reduced on-site construction requirements, and simplified maintenance. It is suitable for the rapid deployment and long-term operation of high-voltage energy storage projects.
The energy storage container uses liquid-cooling technology to provide precise thermal management for the battery modules through cooling pipelines, a liquid-cooling unit, and an intelligent temperature-control system.
Compared with conventional air-cooling solutions, the liquid-cooling system can effectively reduce temperature differences between battery modules, improve temperature consistency, minimize the risk of localized overheating, extend battery cycle life, and enhance the charging and discharging efficiency and long-term operating stability of the energy storage system.
To address the reduced air density and lower heat-dissipation efficiency associated with high-altitude environments, the liquid-cooling unit, heat-exchange capacity, circulation pipelines, and system power configuration were specially optimized.
The container is also equipped with thermal insulation, heat preservation, dust protection, moisture protection, and anti-condensation measures to minimize the impact of low temperatures, windblown sand, and large temperature fluctuations on the battery and electrical systems.
Scope of Work
The scope of work covers the structural manufacturing, interior finishing, electrical installation, liquid-cooling system integration, battery system integration, and complete system commissioning of the 20-foot high-voltage liquid-cooled battery energy storage container.
1. Container Structural Design and Manufacturing
Based on the dimensions, load distribution, transportation, lifting, and site installation requirements of the energy storage equipment, the main structure of the 20-foot container was customized and reinforced.
The work includes container frame fabrication, base frame reinforcement, equipment mounting foundation fabrication, access door and maintenance passage design, lifting structure optimization, equipment openings, sealing, and structural protection treatment.
The container structure was designed with full consideration of the weight distribution of the battery cabinets, liquid-cooling unit, electrical cabinets, and other equipment, ensuring sufficient structural strength and overall stability during transportation, lifting, installation, and long-term operation.
2. Container Interior Finishing and Environmental Protection
According to the operating requirements of the high-voltage energy storage equipment, the container interior was provided with thermal insulation, heat preservation, fire resistance, dust protection, moisture protection, anti-condensation, and noise-reduction treatment.
Appropriate insulation and fire-resistant finishing materials were installed on the internal walls, ceiling, and floor. Equipment interfaces, door gaps, cable penetrations, and pipeline openings were properly sealed.
The optimized interior finishing and environmental protection design reduce the impact of low temperatures, sand and dust, rain, snow, and temperature fluctuations, providing a stable operating environment for the battery system and electrical equipment.
3. High-Voltage Electrical System Layout and Installation
In accordance with the project’s electrical schematics and equipment layout, the installation scope includes high-voltage cables, low-voltage control wiring, communication cables, grounding systems, and auxiliary power supply circuits.
The electrical system uses a zoned and layered arrangement, with power and signal cables separated wherever necessary. Cable trays, wiring ducts, conduits, supports, and fixing devices are properly arranged to ensure organized routing, reliable connections, and convenient inspection and maintenance.
High-voltage areas are equipped with appropriate safety isolation, warning signs, and protective measures to reduce electrical risks during operation and maintenance.
4. Liquid-Cooling Thermal Management System Integration
The scope includes the installation and integration of the liquid-cooling unit, circulation pumps, heat exchangers, cooling pipelines, valves, fittings, coolant replenishment devices, and temperature-monitoring components.
The cooling pipeline layout was optimized according to the battery cabinet arrangement and cooling requirements, ensuring that coolant is distributed evenly to all battery modules.
The system is equipped with temperature monitoring, flow monitoring, pressure detection, fault alarms, and automatic regulation functions. Cooling capacity can be adjusted dynamically according to the battery operating conditions, improving system energy efficiency and reducing auxiliary power consumption.
All liquid-cooling pipelines and connection points undergo sealing inspections, pressure testing, and circulation commissioning to minimize the risk of coolant leakage and ensure reliable long-term operation.
5. High-Voltage Battery System Integration
Based on the battery system configuration provided or specified by the customer, the battery cabinets, battery modules, battery management system, and related high-voltage connection components are installed and integrated inside the container.
The battery system is arranged according to safety-clearance requirements, cooling conditions, load distribution, and maintenance access requirements. Necessary insulation, protection, fixing, and vibration-reduction measures are incorporated into the design.
The battery management system provides real-time monitoring of battery voltage, current, temperature, insulation status, and charging and discharging conditions, enabling operational protection, fault warning, and comprehensive battery safety management.
6. Auxiliary Systems and Safety Equipment Installation
According to the project’s technical requirements, the container integrates lighting, emergency lighting, ventilation, dehumidification, smoke detection, temperature monitoring, fire alarm, video surveillance, access control, and emergency power-off systems.
The interior is divided into battery, electrical, liquid-cooling equipment, and maintenance areas. Appropriate fire separation and safety isolation measures are incorporated to improve operational safety and maintenance accessibility.
7. Complete System Commissioning and Factory Testing
Following equipment installation, comprehensive inspections and integrated commissioning are conducted for the container structure, electrical system, liquid-cooling system, battery system, communication system, and safety protection systems.
The main tests include insulation resistance testing, grounding continuity testing, electrical energization testing, liquid-cooling pipeline pressure testing, circulation flow testing, cooling performance testing, communication testing, alarm interlock testing, and safety protection function verification.
The complete system commissioning process ensures that all subsystems communicate correctly, the control logic operates accurately, the protection functions respond effectively, and the system meets the basic requirements for transportation, site installation, grid connection, and final commissioning.
Project Highlights
This project combines a standardized 20-foot container with a high-voltage liquid-cooled energy storage system, achieving a high level of integration among the battery system, liquid-cooling system, electrical system, and intelligent control system within a limited installation space.
The system has been specifically optimized for the high-altitude, low-temperature, dusty, and high-temperature-variation conditions of Inner Mongolia. It provides excellent thermal insulation, environmental protection, and thermal management performance.
The liquid-cooling system enables precise battery temperature control, reduces temperature differences between battery modules, improves system operating efficiency, and helps extend battery service life.
Through factory prefabrication, complete containerized integration, and system-level commissioning, the project significantly reduces on-site equipment installation and wiring work, shortens the overall construction period, and simplifies on-site commissioning.
Once transported to the project site, the system can be rapidly lifted into position, connected, tested, and placed into operation, providing reliable support for the safe, efficient, and stable operation of the customer’s high-voltage energy storage system.