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LFEI-125-260
sanhe
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Introduction: Smart, Scalable, Safe Energy Storage Cabinet for Commercial & Industrial Applications.
Model: LFEI-125-261
Installation: Outdoor
Brand: Sanhe / LFEI
The LFEI-125-261 is a 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. Engineered for reliability, scalability, and easy installation, this system delivers cost-effective energy storage to support peak shaving, demand charge management, renewable integration, and backup power.
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
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
Tier-1 Grade A Cells (LFP314), intrinsic safety at the cell level
Active/passive fire protection, ensuring operational reliability
Fault prediction, proactive hazard elimination
All-in-one design, fast installation and deployment
Modular design, streamlined integration & O&M
Flexible expansion, supports parallel connection for MW-level scaling
| Parameter | Specification |
|---|---|
| Product Model | LFEI-125-261 |
| DC Side Parameters | |
| Battery Specification (Ah) | LFP314 |
| Battery System Configuration | 1P260S |
| Rated Voltage (V) | 832 |
| Voltage Range (V) | 728–923 |
| Rated Energy (kWh) | 261 |
| Charge-Discharge Rate (P) | 0.5 |
| Cooling Method | Intelligent Liquid Cooling |
| AC Side Parameters | |
| Rated Charging/Discharging Power (kW) | 125 |
| Max. Charging/Discharging Power (kW) | 138 |
| Rated Charging/Discharging Current (A) | 182 |
| Rated Grid Voltage (V) | 400 |
| AC Connection | Three-phase four-wire |
| Grid Frequency Range (Hz) | 50 |
| THDi | <3% (rated power) |
| Power Factor | >0.99 |
| THDu | <3% @ linear load |
| System Specifications | |
| Max. System Efficiency | 90% |
| Cycle Life | 6,000 cycles @ 25°C, 0.5C/0.5C, 90% DoD, 70% EOL |
| Dimensions (W×D×H) (mm) | 1100 × 1350 × 2395 |
| Weight (t) | 2.4 |
| Operating Temperature (°C) | -20 ~ 55 |
| Operating Humidity (RH) | 0% ~ 95% |
| Altitude (m) | ≤2000 |
| IP Rating | IP54 |
| Fire Protection | Pack-Level Fire Suppression + Cabinet-Level Water Suppression |
| Communication Interface | RS485, Ethernet |
| Communication Protocol | Modbus RTU / Modbus TCP |
| Certification | LFEI-125-261 (China Version) | LFEI-125-261-E1 (Overseas Version) |
|---|---|---|
| UN 38.3 (Transport Safety) | ✅ Certified | ✅ Certified |
| IEC 62619 (Battery Safety) | ✅ Certified | ✅ Certified |
| IEC 62477 (PCS Safety) | ✅ Certified | ✅ Certified |
| IEC 61000 (EMC) | — | ✅ Certified |
| CE | Optional upon request | ✅ Certified |
| Application | Description |
|---|---|
| Commercial Peak Shaving | Reduce demand charges for office buildings, retail centers, and hotels |
| Industrial Load Shifting | Shift energy consumption from peak to off-peak periods for factories |
| Renewable Integration | Smooth solar PV output and increase self-consumption |
| Backup Power | Provide seamless backup during grid outages |
| EV Charging Support | Buffer storage for fast EV charging stations |
The LFEI-125-261 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: LFEI-125-261-E1 is the European/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.
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:
| Feature | LFEI-125-261 | LFEI-125-261-E1 |
|---|---|---|
| Product Type | Grid-tied energy storage cabinet | Grid-tied energy storage cabinet |
| Market Version | China Version | Overseas / Europe Version |
| Certification | UN 38.3; IEC 62619; IEC 62477; CE optional | CE; UN 38.3; IEC 62619; IEC 62477; IEC 61000 EMC |
| Primary Market | China domestic,vietnam etc. | Europe and overseas markets |
Note: The E1 version grid-tied cabinet configured and certified for European/overseas market access. For PV + storage microgrid applications, please refer to the LFEM series.
A: The LFEI-125-261 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).
A: The LFEI-125-261 is an all-in-one, pre-assembled cabinet. On-site installation typically takes 1 day for placement, cabling, and electrical connection. Commissioning and testing usually require an additional 1 day.
A: Yes. The LFEI-125-261 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.
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
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.
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
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.
A: Payback period depends on local electricity rates, load profile, and available incentives. Typical payback for commercial peak shaving is 3–5 years. We provide a free ROI simulation based on your site data.
A: The LFEI-125-261 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 your project requirements.
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.
A: These are two different product categories, not different market versions of the same product:
| Feature | LFEI-125-261 | LFEM-125-261-E1 |
|---|---|---|
| Product Type | Grid-tied energy storage integrated cabinet | PV + storage microgrid cabinet |
| PV Input | No | Yes (3 × 50kW MPPT) |
| DC Coupling | No | Yes |
| Grid-Forming / Off-Grid | Not supported | Supported |
| Application | Pure storage: peak shaving, demand management, backup | Microgrid, solar + storage hybrid, off-grid |
| Market Version | China Version (CE optional) | Overseas Version (CE certified) |
Summary:
Choose LFEI-125-261 for pure grid-tied storage applications (peak shaving, demand management, backup).
Choose LFEI-125-261-E1 for the same grid-tied storage application but with European/overseas certification.
Choose LFEM-125-261-E1 only 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
