LFEI-215-418 Liquid-Cooled Energy Storage Integrated Cabinet

215kW / 418kWh | Liquid-Cooled | Grid-Tied | Outdoor Cabinet

Model: LFEI-215-418
Installation: Outdoor
Brand: Sanhe / LFEI

Product Overview

The LFEI-215-418 is a high-capacity liquid-cooled energy storage integrated cabinet designed for commercial and industrial applications requiring larger power and energy output. It integrates LFP314 battery packs, PCS, BMS, and intelligent liquid cooling into a single outdoor-rated cabinet, delivering 215kW of rated power and 418kWh of rated energy per unit.

The system supports 400/690/800V grid voltages and multiple units can be paralleled for MW-level expansion. It is engineered for reliability, scalability, and easy installation, making it suitable for large factory demand management, EV charging station storage, C&I peak-valley arbitrage, and microgrid core storage applications.

Key Features

Intelligent Management

• Cloud-edge collaborative control, enhanced by AI intelligent algorithms

• Remote monitoring and management, OTA upgrade, intelligent operation and maintenance

• Automatic optimization strategy, maximization of economic benefits

Ultimate Performance

• Smart thermal management (liquid cooling), lower energy consumption & superior consistency

• Full lifecycle management, cycle life extended by 20%

• High-precision sensing, accurate SOX estimation & high conversion efficiency

Multi-Level Safety Protection

• Tier-1 Grade A Cells (LFP314), intrinsic safety at the cell level

• Active/passive fire protection, ensuring operational reliability

• Fault prediction, proactive hazard elimination

Rapid Deployment

• All-in-one design, fast installation and deployment

• Modular design, streamlined integration & O&M

• Flexible expansion, supports parallel connection for MW-level scaling

Multi-Voltage Adaptability

• Supports 400V / 690V / 800V grid connection

• Suitable for different industrial and commercial distribution systems

Technical Specifications

Certifications

Note: CE certification can be arranged upon request for European/overseas market access. Certification documents can be provided upon request.

Applications

System Topology

The LFEI-215-418 supports:

• AC coupling for grid-tied applications

• Parallel expansion with multiple cabinets for MW-level capacity

• Multi-voltage connection: 400V / 690V / 800V

• Not applicable for DC coupling – for DC-coupled PV+storage or microgrid applications, please refer to the LFEM series

Frequently Asked Questions

Q1: What is the difference between LFEI-215-418 and LFEI-125-261?

A: The main differences are power and energy capacity:

Choose LFEI-215-418 for larger power and energy requirements. Choose LFEI-125-261 for standard commercial and industrial applications.

Q2: Does the system support AC and DC coupling?

A: The LFEI-215-418 is primarily an AC-coupled system. It is designed for grid-tied applications including peak shaving, demand management, and backup power. For DC-coupled microgrid applications (PV + battery on same DC bus), please refer to our LFEM series.

Q3: How long does it take to install and commission the system?

A: The LFEI-215-418 is an all-in-one, pre-assembled cabinet. On-site installation typically takes 1–2 days for placement, cabling, and electrical connection. Commissioning and testing usually require an additional 1 day.

Q4: Can I expand the system in the future?

A: Yes. The LFEI-215-418 supports parallel operation with multiple cabinets of the same model. You can start with one unit and add more as your power demand grows, achieving MW-level capacity.

Q5: How does the liquid cooling system benefit operation?

A: Liquid cooling provides:

• Superior thermal consistency: Cell temperature difference ≤3°C (typical)

• Extended cycle life: Up to 20% longer than air-cooled systems

• Lower parasitic loss: More efficient than forced air cooling

• Higher reliability: Less dust ingress, suitable for harsh environments

Q6: What communication protocols does the system support?

A: The system supports Modbus RTU (via RS485) and Modbus TCP (via Ethernet). It can be integrated with SCADA, EMS, or building management systems. Our cloud platform also provides remote monitoring and data visualization.

Q7: How does the system protect against fire or thermal runaway?

A: The system incorporates multi-level fire protection:

• Pack level: Each battery pack has its own fire suppression module

• Cabinet level: Water spray fire protection for the entire enclosure

• AI prediction: Continuous monitoring of voltage, temperature, and current to predict and alert potential faults

Q8: What is the expected lifespan of the system?

A: The LFP314 cells are rated for 6,000 cycles at 25°C, 0.5C charge/discharge rate, 90% DoD, and 70% EOL capacity retention. Under daily cycling (once per day), this translates to approximately 15–16 years of useful life.

Q9: What is the typical payback period for this system?

A: Payback period depends on local electricity rates, load profile, and available incentives. Typical payback for commercial and industrial peak shaving is 3–5 years. We provide a free ROI simulation based on your site data.

Q10: Does the system require a separate transformer?

A: The LFEI-215-418 supports 400V / 690V / 800V grid connection. For medium-voltage connection (e.g., 10kV, 35kV), an external step-up transformer is required. We can provide or recommend suitable transformers based on your project requirements.

Q11: Do you provide remote monitoring and support?

A: Yes. Our cloud-edge collaborative platform provides real-time monitoring, remote control, OTA upgrades, and predictive maintenance alerts. Our engineering team provides 24/7 remote support for all installed systems.

Q12: What certifications does the LFEI-215-418 have?

A: The LFEI-215-418 is certified with:

• UN 38.3 (transport safety)

• IEC 62619 (battery safety)

• IEC 62477 (PCS safety)

• CE (optional upon request)

Certification documents can be provided upon request.

Sanhe Power Tech (Shenzhen) Co., Ltd.
 yvonne.zhang@samwha-cn.com |  www.sanhenergy.com