125 kW / 261 kWh Liquid-Cooled All-in-One BESS
261 kWh
Capacity
LFP
Chemistry
Built for Commercial and Industrial Energy Needs
Built for reliable backup, peak shaving, and solar integration, with liquid cooling that maintains stable performance in demanding outdoor conditions.
Liquid-Cooled Cabinet
Efficient coolant loops maintain uniform cell temperatures within 3°C, safeguarding performance, capacity, and long-term cycle life.
Advance Energy Management
Each cluster operates independently, reducing mismatch losses and maximizing rated energy output every cycle.
Multi-Layer Safety Protection
Advanced VOC sensing, aerosol suppression, and container flooding create a comprehensive layered safety system.
IP54 Cabinet Enclosure
The Complete Technical Specification.
The complete specification set, from electrical performance to mechanical dimensions, all in one place.
AC Side Parameters
AC side parameters
125 kW
Grid voltage deviation
– 15 % ~ + 15 %
Power factor
0.99 / – 1 ~ 1
Total current waveform distortion rate
≤ 3 % (at rated power)
AC overload capacity
1.1 times long-term
AC protection
Circuit breaker
+ AC lightning protection
DC component of current
≤ 0.5 % (at rated power)
AC wiring method
3P + N + PE
Rated grid voltage
400 V
Rated grid frequency
50 Hz / 60 Hz ± 2.5 Hz
AC Side Parameters
AC side parameters
125 kW
Grid voltage deviation
– 15 % ~ + 15 %
Power factor
0.99 / – 1 ~ 1
Total current waveform distortion rate
≤ 3 % (at rated power)
AC overload capacity
1.1 times long-term
AC protection
Circuit breaker
+ AC lightning protection
DC component of current
≤ 0.5 % (at rated power)
AC wiring method
3P + N + PE
Rated grid voltage
400 V
Rated grid frequency
50 Hz / 60 Hz ± 2.5 Hz
DC Side Parameters
Battery capacity
261 kWh
Battery voltage range
728 V ~ 936 V
System configuration
1P52S
Pack protection level
IP66
Battery pack configuration
1P52S / 52.25 kWh
Cell type
LFP 314 Ah
DC Side Parameters
Battery capacity
261 kWh
Battery voltage range
728 V ~ 936 V
System configuration
1P52S
Pack protection level
IP66
Battery pack configuration
1P52S / 52.25 kWh
Cell type
LFP 314 Ah
System Parameters
Maximum system efficiency
88 %
Noise
≤ 75dB @ 1 m
Installation location
Outdoor
Operating humidity range
5 % ~ 95 % RH, No condensation
Product dimensions
1100 mm x 1320 mm x 2560 mm
Battery cell cooling method
Liquid Cooling
Communication interface
Ethernet, RS485
Outlet method
Down in and out
Corrosion resistance level
C4 / C5 (optional)
Equipment weight
~ 2700 kg
Cycle life
≥ 8000
Communication protocol
MODBUS-TCP/MODBUS-RTU
Operating temperature range
– 20 °C ~ 50 °C
Protection level
Battery compartment IP55
+ electrical compartment IP54
Certifications
GB/T 36276, UN38.3, IEC 62619
IEC 62477, IEC 61000, UL9540A (Cell)
Remote monitoring
Cloud Platform
Maintenance method
Double-sided maintenance
Operating altitude
< 3000 m (Derating > 2000 m)
Fire protection system
Pack-level aerosol + cabin-level
aerosol
System Parameters
Maximum system efficiency
88 %
Noise
≤ 75dB @ 1 m
Installation location
Outdoor
Operating humidity range
5 % ~ 95 % RH, No condensation
Product dimensions
1100 mm x 1320 mm x 2560 mm
Battery cell cooling method
Liquid Cooling
Communication interface
Ethernet, RS485
Outlet method
Down in and out
Corrosion resistance level
C4 / C5 (optional)
Equipment weight
~ 2700 kg
Cycle life
≥ 8000
Communication protocol
MODBUS-TCP/MODBUS-RTU
Operating temperature range
– 20 °C ~ 50 °C
Protection level
Battery compartment IP55
+ electrical compartment IP54
Certifications
GB/T 36276, UN38.3, IEC 62619
IEC 62477, IEC 61000, UL9540A (Cell)
Remote monitoring
Cloud Platform
Maintenance method
Double-sided maintenance
Operating altitude
< 3000 m (Derating > 2000 m)
Fire protection system
Pack-level aerosol + cabin-level
aerosol
Where Ecocell Pro Delivers Maximum Value
Designed for challenging commercial and industrial environments, delivering dependable energy storage wherever it is deployed.
Backup Power for Critical Operations
Solar Integration and Energy Self-Use
Peak Demand Management & Cost Reduction
Voltage Stability and Power Quality Control
Explore the Ecocell Product Range
One Core Technology, One Cloud EMS, Built for Three Deployment Scales.
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