LFEI-125-261-E1 Liquid-Cooled Energy Storage Integrated Cabinet

125kW / 261kWh | Liquid-Cooled | Grid-Tied | Overseas Version

Model: LFEI-125-261-E1
Installation: Outdoor
Brand: Sanhe / LFEI

Product Overview

The LFEI-125-261-E1 is the overseas/European version of the LFEI-125-261 liquid-cooled energy storage integrated cabinet, designed for commercial and industrial applications. It features a compact, all-in-one design that integrates battery packs, PCS, BMS, and intelligent liquid cooling into a single outdoor-rated cabinet.

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

Overseas Market Ready

• CE certified for European market access

• IEC 61000 EMC compliant for grid compatibility

• UN 38.3, IEC 62619, IEC 62477 certified for safe international transport and operation

Technical Specifications

Certifications

Applications

System Topology

The LFEI-125-261-E1 supports:

• AC coupling for grid-tied applications

• Parallel expansion with multiple cabinets for MW-level capacity

• Not applicable for DC coupling – for DC-coupled PV+storage or microgrid applications, please refer to the LFEM series (e.g., LFEM-125-261-E1)

Note: The E1 version is the overseas-certified version of the same grid-tied cabinet. It follows the same AC-coupled grid-tied topology; the difference is certification and market access, not operating mode.

Frequently Asked Questions

Q1: What is the difference between LFEI-125-261 and LFEI-125-261-E1?

A: Both models are grid-tied energy storage integrated cabinets with the same power and energy ratings (125kW/261kWh), same LFP314 battery technology, and same liquid cooling. The main difference is market version and certification:

The E1 version is not a microgrid or off-grid product. It is the same grid-tied cabinet configured and certified for European/overseas market access.

Q2: Does the system support AC and DC coupling?

A: The LFEI-125-261-E1 is primarily an AC-coupled system (three-phase four-wire, 400V grid connection). It is designed for grid-tied applications including peak shaving, load shifting, and backup power. For DC-coupled microgrid applications (PV + battery on same DC bus), please refer to our LFEM series (e.g., LFEM-125-261-E1).

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

A: On-site installation typically takes 1 day 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-125-261-E1 supports parallel operation with multiple cabinets of the same model, achieving MW-level capacity as demand grows.

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: 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, 90% DoD, and 70% EOL. Under daily cycling, this translates to approximately 15–16 years of useful life.

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

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

Q10: Does the system require a separate transformer?

A: The LFEI-125-261-E1 connects directly to 400V low-voltage grids. For medium-voltage connection (e.g., 10kV, 35kV), an external step-up transformer is required. We can provide or recommend suitable transformers based on 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 is the difference between LFEI-125-261-E1 and LFEM-125-261-E1?

A: These are two different product categories:

Summary: Choose LFEI-125-261-E1 for pure grid-tied storage in overseas markets. Choose LFEM-125-261-E1 if you need PV input, DC coupling, grid-forming, or microgrid/off-grid capability.

Sanhe Power Tech (Shenzhen) Co., Ltd.

yvonne.zhang@samwha-cn.com |  www.sanhenergy.com