418kWh Liquid-cooled Energy Storage Cabinet
- 418kWh
- IP55/IP65
Product Features
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Economically Efficient
No Parallel Design on DC Side, 100% DOD; High Efficiency Liquid Cooling Design; Conversion Efficiency ≥90% on AC Side -
Grid friendly
Multiple Control Modes including Primary Frequency Control (PFC), Peak Shaving and Valley Filling, and High-Speed Scheduling; Heterogeneous Cluster Control Platform, achieving High-Speed Dispatching of Thousands of eBlocks at 100ms level. -
Ultimate Safety
High-Temperature-Resistant Material that can Meet 2h Fire Resistance as the Shell; Integration of BMS and PCS, Realizing Fast and Comprehensive Protection. -
Intelligent Operation and Maintenance
Multi-parallel Connection, Realizing Flexible Expansion and Block Building of Energy Storage Power Station; Statistical Analysis of Big Data, Predicting Battery Cell Lifespan, Warning of Battery Cell Failures.
Product Description
418kWh Liquid-cooled Energy Storage Cabinet, adopting modular unit design, with AC 690V output, it can be directly paralleled and expanded on the AC side, achieving a modular, efficient, and safe design from 100 kWh energy storage units to GWh energy storage power stations. Each energy block has a consistent appearance and unified style. Modularization design reduces the risks associated with product failures and allows for flexible capacity configuration. This product is widely used in application scenarios such as large-scale source-grid side power stations, large-scale industrial and commercial power stations, and grid-forming energy storage power stations.
Specifications
| SYSTEM DATA | Cell Type | LFP 3.2V/314Ah |
| Battery Grouping Method | 416S1P | |
| Battery Capacity | 418kWh | |
| Battery Voltage Range | 1164.8-1497.6V | |
| AC Rated Power | 209kW(215kW Derating) | |
| Maximum System Efficiency | ≥90% | |
| Depth of Discharge | 100%DOD | |
| Communication Interface | LAN | |
| AC Current Distortion Rate | ＜3% | |
| DC Component | ＜0.5%lpn | |
| Number of Cycles | ≥7000 Cycles | |
| System Protection Level | IP55 | |
| Working Temperature | -35℃~55℃（45℃-55℃ Derating） | |
| Working Humidity | 0%RH ～ 95%RH （No condensation） | |
| Noise | ≤80dB | |
| Altitude | ≤2000m | |
| Thermal Management Methods | Liquid Cooling(Battery) | |
| Certification | IEC 62619 IEC63056、IEC 62477 IEC 61000、EN 50549 VDE 4110/、4120 CEI 0-16 UN 38.3 | |
| PCS DATA PCS/PCS-2000G2 | System Rated Efficiency | ≥98% |
| Charging and Discharging Switching Time | ＜100ms | |
| Communication Interface | LAN | |
| Protection Grade | IP65 | |
| Cooling Method | Air Cooling | |
| Operation Temperature | -40℃~60℃ | |
| Relative Humidity | 0~95%RH | |
| Max. Working Altitude | ≤2000m | |
| Noise | ＜80dB | |
| Size (L * W * H) | 630*1050*250 mm | |
| Weight |
Six-layer Fire Fighting for Comprehensive Safety |
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| Certification | IEC 62477 IEC 61000 EN 50549 VDE 4110/ 4120 CEI 0-16 | |
| DC SIDE PARAMETERS | DC Voltage Range | 1026~1500V |
| DC Rated Voltage | 1263V | |
| Max. DC Current | 209.5A | |
| Max. DC Power | 258kW | |
| AC SIDE PARAMETERS | AC Rated Power | 215kW |
| AC Rated Current | 180A | |
| Rated Grid Voltage | 690V | |
| Low Voltage Ride Through | Yes | |
| High Voltage Ride Through | Yes | |
| MECHANICAL PARAMETER | Dimensions (L*W*H) | 1400mm*1300mm*2350mm |
| Total Weight(Kg) | 3800Kg | |
| Installation Method | Modular Steel Structure Base |
Application Scenarios
FAQ
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Q: What is the core positioning and primary application of the eBlock-418A?
A: The ARK-E 418 is a standardized, modular liquid-cooled Energy Storage System (ESS) designed for large-scale applications. It is optimized for Utility-scale power plants and large Commercial & Industrial (C&I) scenarios. Key use cases include peak shaving, frequency regulation, grid support, and grid-forming capabilities to ensure stability in renewable-heavy power systems.
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Q: How does the 1500V platform and the 314Ah cell technology benefit the system performance?
A: By adopting the 1500V high-voltage platform, the system reduces DC-side losses and improves overall energy density. The integration of high-capacity 314Ah LFP (Lithium Iron Phosphate) cells allows for a single unit capacity of 418kWh, providing a more compact footprint and lower Levelized Cost of Storage (LCOS). The system achieves a maximum round-trip efficiency (RTE) of over 90%.
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Q: What safety measures are implemented to prevent Thermal Runaway (TR)?
A: Safety is addressed through a Six-layer Fire Protection System. This includes module-level smoke detection, embedded fire-suppression units, cell-level temperature monitoring, fireproof insulation, pressure relief channels, and insulation monitoring. The system boasts an industry-leading fault response time of ≤5 seconds to mitigate thermal runaway risks at the earliest stage.
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Q: Can the ARK-E 418 be easily scaled for GWh-level projects?
A: Yes. The product features a standardized modular design that supports direct AC-side parallel connection. This eliminates the need for complex external busbar devices, allowing for rapid deployment and flexible capacity scaling. It is specifically engineered to enable the construction of 100MW-grade or even GWh-level energy storage stations with "plug-and-play" efficiency, reducing on-site commissioning time to less than one hour per unit.
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Q: How does the liquid cooling system enhance the lifespan of the battery modules?
A: The ARK-E 418 utilizes advanced integrated thermal management (liquid cooling), which maintains a uniform temperature distribution across all cells. This precision cooling reduces internal temperature variance, significantly slowing down battery degradation. Consequently, the system offers a robust cycle life of ≥7,000 cycles at 100% Depth of Discharge (DOD) and reduces auxiliary power consumption (self-consumption) by over 30%.
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Q: What are the Intelligent Operation and Maintenance (O&M) capabilities?
A: The system is integrated with an AI-driven cloud management platform. It supports millisecond-level unified dispatching (AGC/AVC) and real-time cell-level health assessments. The AI algorithms can provide early warnings for potential faults and locate issues within 30 seconds, facilitating unattended O&M and maximizing the system's operational uptime.
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Q: Is the system compatible with different grid requirements?
A: Yes, the ARK-E 418 is designed with high grid adaptability. It supports both Low Voltage Ride Through (LVRT) and High Voltage Ride Through (HVRT). It is compliant with major international standards including IEC 62619, IEC 63056, VDE 4110/4120, and CEI 0-16, making it suitable for global deployment in diverse regulatory environments.
