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grid scale battery storage system
The global transition to renewable energy integration demands highly efficient, front-of-the-meter (FTM) energy storage systems capable of balancing grid volatility. It is high density pure battery storage system with capacity of 5.0 MWh. The system goes together with an external power conversion system and transformer, making it super flexible and easy to adjust for different applications.
Combining advanced liquid cooling technology, premium 314Ah LFP chemistry, and comprehensive international compliance, this high-voltage system sets a new standard for asset safety, system density, and project bankability.
Products Description
- Safety valve detection system
- Voltage acquisition accuracy of ≤±3mV
- Thermal runaway confirmation in 30–60s
- Valve opening warning in 3-5min
- Prediction range of 3-6 months
- Reliable performance in all environments
- Support parallel and serial configurations to maximize space efficiency and reduce project costs
- Integrated & modular design
Technical Data
| DC Side | |
| Cell type | LFP |
| Cell capacity | 314Ah |
| System battery configuration | 416S12P |
| Rated energy | 5.0MWh |
| Nominal voltage | 1331.2V |
| Operating voltage range | 1164.8V ~ 1500.0V |
| Nominal charge/discharge rate | 0.25P / 0.5P |
| Round trip efficiency | Max. 94% |
| General Data | |
| Dimensions (W×D×H) | 6058×2438×2896mm |
| Weight | 41.5t |
| System ingress protection rating | IP55 / Type 3R |
| Anti-corrosion degree | C4, C5 (optional) |
| Operation humidity range | 0% ~ 95%, RH |
| Operation temperature range | -30 ~ 55°C |
| Max. operating altitude | 2000m |
| Temperature control method | Liquid Cooling |
| Noise | ≤75dB@1m |
| Fire suppression system | Smoke and heat detectors, FACP, Sprinklers, Fire alarm system, Flammable gas detectors, NFPA 69-compliant ventilation system, Aerosol, NFPA 68-compliant vent panel (optional), Fire sprinkler |
| Communication interface | Ethernet / RS485 / CAN |
| Communication protocol | Modbus TCP, Modbus RTU, CAN2.0, IEC 61850 MMS, IEC 60870-5-104 |
| Standard Compliance | |
| Standard | FCC, HMA, IEC/UL 60730, IEC 60529, IEC 61000, IEC 62477, IEC 62619,IEC 63056, NFPA 68, NFPA 69, NFPA 855, TM-2, UL 1973, UL 50E,UL 9540, UL 9540A, UN 38.3, UN 3480, UN 3536, IEEE 693, Bankability |
SAFE AND RELIABLE
Thermal Uniformity That Extends Operational Lifespan
Mitigating cell degradation is the single most critical factor in optimizing the financial returns of a front-of-the-meter asset. The PotisBank-L5.0 achieves this through a high-precision liquid cooling infrastructure designed for uniform thermal distribution. By keeping the temperature variance between individual cells strictly within 3°C (37.4°F), the system prevents localized hotspots that cause uneven aging. This superior thermal management minimizes capacity fade, ensures balanced cell performance across the entire 416S12P configuration, and significantly delays the need for disruptive cell augmentation phases deep into the project lifecycle.
Multi-Tiered Threat Mitigation for Absolute Peace of Mind
Grid-scale deployments require proactive, multi-layered defense mechanisms to ensure seamless site security and regulatory approval. The integrated fire safety system shifts the paradigm from passive containment to active, early-stage prevention. Combining highly sensitive smoke, heat, and flammable gas detectors, the container continuously monitors internal environments to deliver advanced early warnings long before a critical event occurs. Should an anomaly arise, the automated Fire Alarm Control Panel (FACP) coordinates precise fire control measures-utilizing localized aerosol deployment and targeted sprinkler systems-to suppress risks instantly without compromising adjacent battery compartments.
FAQ
Q: Does the liquid cooling system require regular coolant refilling or specialized maintenance?
A: Under standard operating conditions, the coolant only requires inspection during routine annual maintenance, with a recommended total flush-and-replace cycle every 5 to 7 years.
Q: What is the auxiliary power consumption of the liquid cooling and HVAC system?
A: The average auxiliary power consumption is kept below 2.5% to 3% of the system's total rated throughput under nominal ambient conditions. This significantly lowers operational costs compared to traditional air-cooled configurations.
Q: What is the expected cycle life of the system at 80% Depth of Discharge (DoD)?
A: The PotisBank-L5.0 is rated for ≥6,000 to 8,000 cycles at 80% DoD before the capacity reaches 80% of its initial nominal rating, assuming operations align with standard temperature profiles.
Q: Can the internal EMS natively execute rapid microgrid functions like black start or frequency regulation?
A: Yes. The pre-installed local Energy Management System (EMS) supports fast-response communication through IEC 61850 and Modbus TCP protocols, delivering a control response time of <20ms.
Q: Is the entire container assembly certified to UL 9540, or are the certifications only at the component level?
A: The PotisBank-L5.0 is fully certified as a complete, integrated system under UL 9540. Furthermore, it has successfully passed the stringent UL 9540A full-scale destructive thermal runaway fire testing, and full test reports are available for engineering review under a Non-Disclosure Agreement (NDA).
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