Felicity Solar FLM500-125/261 261.2kWh Energy Storage System

Felicity Solar Battery Datasheet — FLM500-125/261

A liquid-cooled 261.2 kWh LiFePO4 system, the FLM500-125/261 delivers 125 kW AC through a 3P4L connection and parallels 6 to 20 units for up to 5224 kWh.

SKU: FLM500-125/261 | Last Updated: 2026-08-17

⚡Electrical Specifications

AC Connection Type3P4L
AC Nominal Frequency50/60 Hz
AC Nominal Power125 kW
AC Nominal Voltage400 V
AC Voltage Range360-440 V
Battery TypeLiFePO4
Charge/Discharge Rate0.5P
Cut-Off Voltage728 V
Cycle Life≥8000
DC Component<0.5 %
Depth of Discharge95 %
Max Charging Voltage936 V
Max Parallel Units6-20
Max System Capacity1567.2-5224 kWh
Max System Efficiency≥90 %
Nominal Capacity314 Ah
Nominal Energy261.2 kWh
Nominal Voltage832 V
Operating Voltage728-936 V
Power Factor Range-1 to 1
System Nominal Energy261.2 kWh
System Nominal Voltage832 V
System Operating Voltage728-936 V
Total Harmonic Distortion<3 %
Unbalanced Load Capacity100 %

🔧Mechanical Specifications

Cell TypeLiFePO4 3.2V/314Ah
CommunicationRS485, Ethernet
System Battery Configuration1P260S

🌡️Environmental Specifications

Anti-Corrosion GradeC4
Charging Temperature Range-25 to 55 °C
Discharging Temperature Range-25 to 55 °C
Fire Suppression SystemAerosol fire extinguishing equipment, Water fire protection, Smoke detector, Heat detector
Humidity Range0-95 %
Noise Level<75 dB
Operating Altitude<2000 m
Protection DegreeIP55
Temperature Control MethodLiquid cooling

📏Dimensions

Width
Height
Depth
Weight2670 kg

✅Certifications

UN38.3EN 50549IEC 61000IEC 62109IEC 62477IEC 62619IEC 63056