1044kWh 500kW Liquid-Cooled LiFePO4 BESS for Commercial & Industrial Energy Storage
As energy costs keep rising, commercial and industrial operators are actively seeking stable, high-capacity energy storage solutions to cut electricity bills, secure backup power and maximize solar self-consumption. Our 1044kWh 500kW liquid-cooled battery energy storage system (BESS) is a fully integrated all-in-one solution built for heavy-duty C&I scenarios.
This energy storage system adopts safe 314Ah lithium iron phosphate (LFP) cells. The cells are assembled into battery packs in 1P52S configuration, with each pack rated at 166.4V and 52.24kWh. The whole cabinet integrates the battery cluster, bidirectional PCS converter, BMS, EMS, intelligent liquid cooling thermal management, multi-stage fire suppression and monitoring system in one compact unit.
Core Specifications
| Item | Parameter |
|---|---|
| Storage Capacity | 1044kWh |
| Rated Power | 500kW |
| Battery Chemistry | Lithium Iron Phosphate (LFP) |
| Rated Voltage | 3328V |
| Rated Current | 157A |
| Protection Level | IP54 |
| Cooling Method | Liquid Cooling |
| Fire Suppression | Fluoroketone |
| Cycle Life | ≥6000 cycles (0.5C/0.5C, 70% DOD) |
| Output | 220V / 380V |
| Communication | CAN, RS485 |
| Operating Humidity | 5%–85% RH |
| Altitude | Below 2000m; derating required above 2000m |
| Working Temperature | Charge: 0℃~55℃, Discharge: -20℃~55℃ |
Key Advantages of This Liquid-Cooled BESS
✅ High Safety & Long Service Life LFP cells come with inherent high safety, low internal resistance, high charge-discharge efficiency and low self-discharge rate. Supported by fluoroketone fire suppression, the whole system offers reliable fire protection for industrial sites. It delivers over 6000 charge-discharge cycles, lowering long-term operational costs.
✅ All-In-One Plug-and-Play Design The highly integrated design simplifies on-site installation. It arrives ready for commissioning, greatly cutting construction time and labor cost. Customization service is available to match different project requirements.
✅ Modular & Easy Maintenance Modular architecture brings good accessibility for inspection and component replacement. It optimizes space utilization and supports flexible capacity expansion, so you can scale up your energy storage system as your business grows.
✅ Wide Compatibility & Multi-Mode Operation It supports both 220V and 380V electric loads. With intelligent EMS scheduling, the BESS can run in multiple working modes, adapting seamlessly to grid-tied, off-grid and hybrid microgrid projects.
Typical Application Scenarios
This 500kW / 1044kWh energy storage system serves a wide range of commercial and industrial use cases:
- Peak Shaving & Demand Charge Arbitrage: For medium & small factories, workshops, commercial complexes, shopping malls, supermarkets and catering clusters to reduce high peak electricity charges.
- Emergency Backup Power: Stable power supply for server rooms, hospitals, laboratories, construction camps and remote off-grid microgrids when grid failure occurs.
- PV + ESS Integrated Projects: Pair with solar panels to store excess solar energy and boost self-consumption rate.
- Supporting Infrastructure: Grid auxiliary services and EV charging station matching energy storage.
Why Choose Liquid Cooling for C&I BESS?
Compared with air-cooled energy storage cabinets, liquid cooling delivers more uniform temperature control inside the battery cluster. It effectively reduces temperature differences between cells, slows down battery aging and ensures stable performance under continuous high-power operation, especially for large-capacity 1MWh-level energy storage systems.
If you are an EPC contractor, solar integrator or factory owner looking for a 1MWh-class reliable LFP energy storage system, our 1044kWh 500kW liquid-cooled BESS is a cost-effective and safe choice. Contact us to get the full datasheet and project quotation.
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