
What sets it apart.
Explore the key features, performance capabilities, and practical advantages that define this product.
All-in-One Liquid-Cooled ESS
BAT, BMS, PCS and EMS in one compact cabinet.
≥8000 Cycle Life
125kW / 261.2kWh
LFP 3.2V/314Ah cells, 260S1P, 95% DOD.
Seamless Power Transfer
20ms on/off-grid switching.
Liquid Cooling System
Cell temperature difference ≤3℃; max. system efficiency ≥90%.
Smart Operation & Monitoring
Outdoor-Ready Cabinet
IP55 rating with C4 anti-corrosion.
Multi-Sensor Protection
Smoke, temperature and immersion sensors; fire protection module.
Flexible Expansion
Configurations match different capacity needs; multiple bracket options.
Specifications




| Model | FLM500-125/261 | ||||||
|---|---|---|---|---|---|---|---|
| System capacity | 261.2kWh | ||||||
| Nominal Output Power | 125kW | ||||||
| Cell Type | LFP3.2V/314Ah | ||||||
| System Battery Configuration | 260S1P | ||||||
| Depth of Charge and Discharge | 95% | ||||||
| Cycle Life | ≥8000 | ||||||
| Communication Interface | Ethernet /RS485 | ||||||
| Cooling System | Liquid Cooling | ||||||
| Protection Rating | IP55 | ||||||
Features

Dual Independent Batteries

7" HD Screen

TOU

IP66

Reverse Current Protection

Single Phase Input, Three Phase Output
Superior System Expansion Capability
15kW
High Scalability Energy up to 157.5kWh.
261kWh
Normal Capability
Overview:
FLM500-125/261
The liquid-cooled all-in-one system seamlessly integrates BAT, BMS, PCS, and EMS into a compact, high-performance solution. Users can monitor it remotely via the Fsolar APP, while 20ms seamless power transfer ensures uninterrupted electricity.
Safety is built in with a fire protection module and reliable detection using smoke, temperature, and immersion sensors. A liquid-cooling chiller maintains optimal operating temperature, and the IP55-rated, C4 anti-corrosion cabinet makes it ideal for outdoor installation. With a lifespan exceeding 8,000 cycles, this system is designed for intelligence, durability, efficiency, and complete peace of mind.
Built for Every Scenario
Engineered for Outdoor Durability in the Harshest Conditions
Turn Efficiency into Real Energy Profit
Max. system efficiency: ≥90%
Liquid Cooling Cell Temperature Difference: ≤3℃
Multi-Sensor Detection.
Smarter Risk Prevention.
Built-in smoke, temperature, and water sensors monitor cabinet conditions in real time, helping detect risks early and protect system operation.
IEC 62619
IEC 62477
IEC 63056
IEC 61000
Multiple Bracket Options

9-Layer Bracket
Medium capacity configuration with high cost performance

13-Layer Bracket
Medium capacity configuration with high cost performance

16-Layer Bracket
Medium capacity configuration with high cost performance
Application Scenarios

Factory

Store

Warehouse

Villa

School

Resident

Hospital
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