FELIS-PRO-DC261
C&I Energy Storage Cabinet

High efficiency, safe, green future

This product is a lithium iron phosphate (LFP) I&C Energy Storage System designed and manufactured by TFL. Applicable to factories, commercial malls, industrial parks and other scenarios. Pack-level aerosol suppression triggers instantly on thermal runaway, quenching fires via chemical inhibition, cooling & oxygen isolation against re-ignition.

Main parameters of the product

Technical parameters

Model FELIS-PRO-DC261
 Energy Storage DC
Cell Type Lithium Iron Phosphate
Combination Configuration 1P260S
Rated Energy of Energy Storage System 261.248kWh
Standard Charge/Discharge Power ≤0.5P
Nominal Voltage DC 832V
Operating Voltage Range of Battery System DC 715~936V
Max DC Current of Battery System 203A
High-Voltage Box DC Fuse + DC Moulded Case Circuit Breaker
 PV
Max PV Open-Circuit Voltage 900V
MPPT Operating Voltage Range 0~900V
MPPT Full-Load Voltage Range 394V~900V
Number of MPPT Channels 2
Max Input Power 63kW×2
Max Input Current 160A
 Grid-tied AC
Rated Power of Energy Storage System 125kW
Max Output Power 138kW
Rated Voltage AC 400V
Grid Voltage Range 400V (-15% ~ +15%)
Max Current 200A
Rated Frequency 50/60Hz
Power Factor 0.99
Current THD <2% (at rated power)
Output Wiring Mode 3P+N+PE three-phase four-wire
Overload Capacity 110% continuous overload
 Off-Grid AC
Rated Output Voltage AC 400V
AC Voltage THD <3% (linear load)
Rated Frequency 50Hz/60Hz
Rated Output Power 125kW
Max Apparent Power 138kVA
Max Output Current 200A
 Load Side (Off-Grid)
Rated Power 125kVA
Recommended Maximum Load Power 88kVA
Maximum Output Power 138kVA
Maximum Current 200A
Voltage Range 400V (-15%~+15%)
Rated Frequency 50/60Hz
Power Factor 0.99
Total Voltage THD (@ linear load) <3%
Wiring Connection Mode 3P+N+PE three-phase four-wire
 System
Cooling Method Liquid Cooling
Protection Class Whole Cabinet IP54
Operating Ambient Temperature -20℃~55℃ (Derate above 45℃)
Storage Temperature -20℃~55℃
Operating Relative Humidity 5%~95% (non-condensing)
Allowable Altitude ≤2000m, derated operation for 2000m~4000m
Communication RS-485 / CAN / Ethernet
Structural Characteristics Structural Characteristics
Weight (kg) ≈3000±50kg
Overall Dimension (W×D×H) 1550×1400×2200mm
Topology Structure Transformerless
Grid/Off-Grid Switching Time ≤20ms
Features & Protections Supports VSG mode;
anti-islanding protection, DC reverse connection protection, insulation detection,
DC surge protection, AC surge protection,
DC short-circuit protection, AC overcurrent protection, AC short-circuit protection,
AC over/undervoltage protection, residual current detection.
Core Product Advantages

Six core advantages enable superior performance

High energy density

High-performance lithium iron phosphate cells are used, resulting in higher energy density and better system efficiency.

Multiple security protections

Multi-level fire protection, temperature control and electrical protection design ensures the system's safety and reliability throughout its entire life cycle.

Intelligent Management System

BMS+EMS intelligent collaboration enables real-time monitoring and optimization, improving operational efficiency and asset value.

Modular design

Modular integration, flexible configuration, easy transportation, installation and maintenance.

Wide temperature range operation

Adaptable to harsh ring filling conditions of -40°C to 55°C, stable operation without fear of challenges.

Long cycle life

The battery cell has a cycle life of up to 6,000+ cycles and a system design life of over 15 years.

Application scenarios

Widely used and adaptable to multiple scenarios

Grid-side energy storage

Peak shaving & valley filling cuts peak loads, boosting grid stability and renewable integration.

C&I energy storage

Reduce electricity costs and optimize energy structure. Improve enterprise energy management efficiency.

Microgrids

It supports distributed energy access, enabling stable operation whether off-grid or connected to the grid.

Backup power

Provide backup power for critical loads to ensure business continuity.

Partnering with global partners to create a green energy future

TFL is committed to providing safe, efficient, and intelligent energy storage solutions, driving global energy transformation.

Solutions
Energy Storage System
Power Battery