Industrial Power Storage Cabinet With Liquid Cooling, 372KWH Commercial Battery Storage Systems
Looking for a powerful, safe, and easy-to-deploy commercial and industrial energy storage solution ⇱? Meet the Bonnen Battery 372KWH All-in-One System. Think of it as a “Battery-in-a-Box” that’s ready to power your projects.
We’ve packed the battery, inverter (PCS), cooling, and safety systems into one smart cabinet. It uses advanced liquid cooling to keep things running smoothly and safely. A key feature is its Grid-Forming (GFM) ⇱ capability, meaning it can support the grid or even run independently during outages.
Perfect for large-scale solar or wind farms, grid support services, or commercial/industrial backup power, this all-in-one unit is built for performance, safety, and simple setup. It’s your turnkey solution for modern energy needs.
Free Custom Design
24/7 Engineer Support Services
Certification: Compliance with MSDS, UN38.3, CE, CB, IEC 62619, UL
Features of Bonnen Industrial Power Storage
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Our C&I BESS products are turnkey solutions designed for seamless integration and long-term performance. We offer two main product lines:
• Energy Storage Cabinets: Perfect for indoor or sheltered outdoor applications, these cabinets offer a compact, scalable power source. They are ideal for businesses looking to reduce electricity bills, store solar energy, or have reliable backup power.
• Battery Storage Containers: For larger projects (MWh scale), our containerized BESS are all-in-one solutions. Housed in standard shipping containers, they include the batteries, Battery Management System (BMS), HVAC, and fire suppression systems, ready for plug-and-play installation on-site.
Whether you need a 100kWh cabinet or a 5MWh containerized system, Bonnen Battery has the product and expertise to deliver.
| Category | Parameter | Specification |
| Battery System | Rated Capacity | 372 kWh |
| Cell Chemistry | LiFePO4 (280Ah) | |
| Battery Voltage Range | 1164.8 – 1497.6 VDC | |
| Max. Battery Current | 176 A | |
| Thermal Management | Liquid Cooling | |
| Protection Level | IP67 ⇱ | |
| Power Conversion (PCS) | Rated AC Power | 186 kW |
| Max. AC Power (Apparent) | 205 kVA | |
| Grid Voltage Options | 400V or 690V AC | |
| Grid Frequency | 50/60 Hz | |
| Efficiency | > 99% | |
| Power Factor Range | -1 to +1 | |
| Physical | Dimensions (WxHxD) | 1500 x 2480 x 1300 mm |
| Weight | Approx. 4,500 kg | |
| Operation | Mode Switching Time | < 20 ms |
| Communication Protocol | IEC 61850 Supported |
⚡Save Time & Money: The all-in-one, modular design drastically reduces installation time, engineering complexity, and total project cost. You get a faster ROI.
⚡Simplified Procurement & Logistics: You’re dealing with one supplier (us!) for a complete, integrated system. This simplifies sourcing, quality control, shipping, and after-sales support.
⚡Longer Lifecycle, Lower OpEx: The superior liquid cooling extends battery life, reducing long-term replacement costs. High reliability and remote monitoring capabilities also mean lower ongoing maintenance expenses.
⚡Expert Support: As a specialized international manufacturer, Bonnen Battery provides end-to-end support, from technical specs and customization to commissioning guidance.
⚡Compliance & Compatibility: The system is designed to meet international grid standards and communication protocols (like IEC 61850), making integration into your local project smoother.
⚡Future-Proof Investment: With Grid-Forming capability and strong performance, this system is built not just for today’s needs, but for the evolving demands of tomorrow’s power grids.
✅ Renewable Integration: Store excess energy from solar PV or wind farms. Smooth out power generation and shift energy to when it’s needed most.
✅ Grid Services: Provide valuable services to utilities like frequency regulation ⇱ (FCAS), peak shaving, and spinning reserve to help balance the power grid.
✅ Commercial & Industrial (C&I): Reduce electricity costs by managing demand charges, providing backup power during outages, and participating in energy arbitrage.
✅ Microgrids ⇱: Acts as a stable core for islanded microgrids, providing voltage and frequency support for communities or industrial parks.
1. Q: My project requires over 1 MWh of storage. How can I scale your 372kWh cabinets to meet this capacity, and what does the integration process look like?
A: Our industrial power storage cabinet is designed with a modular architecture specifically for scalability. You can easily connect multiple 372kWh units in parallel to meet your MWh-level energy requirements. Our integrated Energy Management System (EMS) ensures seamless communication and synchronized operation between all connected cabinets, allowing you to manage the entire array as a single, unified system.
2. Q: Regarding safety and permitting, what specific safety features are integrated into the cabinet to address concerns like thermal runaway.
A: Safety is a core design principle. Each cabinet is equipped with a multi-level protection system that includes an advanced Battery Management System (BMS) for cell-level monitoring, over-voltage/current protection, and temperature sensing. Critically, it features a precision liquid cooling system for superior thermal management and includes an aerosol fire suppression system. The system complies with CE, UL, and UN38.3.
3. Q: You emphasize a liquid cooling system. From a performance and O&M standpoint, how does this benefit my project compared to a standard air-cooled system, especially in a high-ambient-temperature environment?
A: The intelligent liquid cooling system offers significant advantages. It provides more uniform and efficient temperature control across all battery cells, which directly translates to a longer cycle life (>6000 cycles) and higher sustained performance, especially in hot climates where air-cooled systems may struggle or derate. This precise thermal management also enhances overall system safety and reduces the operational strain on components, leading to lower long-term maintenance needs.
4. Q: What are the logistical and site preparation requirements I need to plan for? What kind of foundation, clearance, and electrical infrastructure is needed for installation?
A: While designed for “plug-and-play” installation, proper site preparation is key. You will need to plan for a solid, level concrete pad capable of supporting the cabinet’s weight. You should also account for adequate clearance around the unit for ventilation and service access. Electrically, you will need to prepare the AC connection point and conduits for grid and/or PV integration. We provide a detailed installation manual with precise specifications to guide your site-prep team.
5. Q: The system is described as “all-in-one.” Does this mean the Power Conversion System (PCS) is included and pre-integrated? If so, what are its key AC output specifications?
A: Yes, “all-in-one” means the cabinet comes fully integrated with the LFP battery modules, BMS, EMS, thermal management, and the Power Conversion System (PCS). This significantly simplifies your integration work on-site. The integrated PCS has a rated AC power of 186 kW and operates at a rated AC voltage of 400V or 690V .
6. Q: How does your Energy Management System (EMS) integrate with our existing infrastructure, such as third-party solar inverters or our building management system (BMS)?
A: Our EMS is built for flexibility and seamless integration. It is designed to manage various operating strategies like peak shaving, solar self-consumption, and grid arbitrage. It supports standard communication protocols, enabling it to work with a wide range of solar inverters and control systems. For integration with a proprietary building management system, we can discuss API access to ensure smooth data exchange and control.
7. Q: What does the performance warranty cover? Specifically, what is the guaranteed end-of-life (EOL) capacity after the stated 6000 cycles or warranty period?
A: Our system is warrantied to deliver exceptional longevity, backed by the stability of LiFePO4 chemistry and our advanced thermal management. The standard performance warranty guarantees the system will retain a specified percentage of its original 372kWh capacity through the end of the warranty period or after completing 6000 full charge/discharge cycles. For the specific EOL capacity percentage and detailed terms, please refer to our official warranty document.
8. Q: What remote monitoring and control capabilities do I have as the project operator? What specific data points can my team access remotely?
A: The integrated smart EMS provides comprehensive remote access. Through our monitoring platform, your team can view real-time data on system status, state of charge (SOC), power output, cell temperatures, and overall system health. You will also receive automated alerts for any faults or alarms, allowing for proactive maintenance and ensuring maximum uptime for your project.
9. Q: For our financial modeling, can you provide data on the system’s round-trip efficiency (RTE)?
A: Yes, this is a critical metric for calculating ROI. Our system is engineered for high efficiency. The round-trip efficiency, which accounts for losses in both charging and discharging, is ≥91%. This ensures that a very high percentage of the energy you store is available for later use, maximizing the economic benefits of your project.
10. Q: What is the expected lead time from a confirmed purchase order to delivery at the project site?
A: We recommend you contact our sales team with your project’s specific timeline and location. They can provide you with a precise and reliable delivery forecast to help you plan your project milestones accordingly.
11. Q: What does the typical Operations & Maintenance (O&M) schedule look like for this system? Can our on-site technicians perform routine checks, or is a certified specialist required?
A: Thanks to the system’s robust design and remote monitoring, the O&M requirements are minimal. Routine checks typically involve visual inspections and ensuring ventilation paths are clear. Most system health monitoring is done remotely. While your on-site team can handle basic tasks, any invasive maintenance or component replacement would require a technician certified by Bonnen Batteries to ensure safety and maintain the warranty.
12. Q: How does the cabinet perform in cold weather conditions? What is the operational temperature range?
A: The cabinet is designed for a wide operational range. The smart thermal management system not only cools the batteries but also includes a heating function to maintain optimal cell temperature in colder climates. The specified operating temperature range for the system is -20°C to 55°C, making it a reliable solution for projects in diverse geographic locations.
13. Q: Can you clarify the “black start” capability? Does this mean the cabinet can form a grid and energize a local microgrid without an external grid reference?
A: Yes, that’s correct. The “black start” functionality means the system can initiate a power grid on its own. In the event of a complete grid outage, our cabinet can energize your local circuits and form a stable microgrid, making it an ideal solution for critical backup power and ensuring energy resilience for your facility.
14. Q: What are the physical dimensions and weight of a single cabinet? I need this for transportation planning and structural load calculations for the foundation.
A: A single 372kWh cabinet has the following specifications: Dimensions are 1500mm (Length) x 2480mm (Width) x 1300mm (Height). The total weight is approximately 4500 kg. Please use these figures for your logistical planning and foundation engineering.
15. Q: What level of technical support do you provide during the commissioning phase of a project?
A: We offer comprehensive support to ensure your project is successful. Our technical support team is available to guide your installers through the commissioning process, providing remote assistance and documentation. For larger or more complex projects, we can also arrange for on-site commissioning support to guarantee the system is configured correctly and operates at peak performance from day one.

































