AC Block

BESS FQ

FREQCON · LFP · Air cooled

Containerized battery energy storage system pairing LFP batteries with FREQCON's MSC hybrid converter in 20-ft, 30-ft, or 40-ft ISO containers. Available from 0.5 MW to 4.5 MW with usable capacity up to 4.7 MWh, supporting grid forming, black start, FCR, and hybrid source integration.

677 - 4,742 kWh
Capacity
LFP
Chemistry
EVE LF280
Cell
Download Datasheet (PDF)

Specifications

Power & Capacity (1C)
0.5 MW 677 kWh usable / 753 kWh installed, 20-ft Combi
1.0 MW 1,129 kWh usable / 1,254 kWh installed, 30-ft Combi
1.5 MW 1,581 kWh usable / 1,756 kWh installed, 30-ft Combi
2.0 MW 2,032 kWh usable / 2,257 kWh installed, 40-ft Combi
3.0 MW 3,387 kWh usable / 3,763 kWh installed, 20-ft + 30-ft
4.5 MW 4,742 kWh usable / 5,268 kWh installed, 20-ft + 40-ft
Battery Data
Chemistry LiFePO4 (LFP)
Cell Model EVE LF280 (280 Ah, 3.2V)
DC Voltage Range 700 - 1,022 VDC
Battery Efficiency 97.8% @1C / 25 C
Depth of Discharge 100%
Lifetime Cycles (Expected) 5,000 @1C / 25 C / 100% DoD / 80% EoL
Lifetime Cycles (Guaranteed) 3,750 @1C / 25 C / 100% DoD / 80% EoL
Capacity Guarantee 10 years
Cooling Integrated air-conditioning system
Rack Capacity 250.88 kWh per rack (28 modules, 280 cells)
General
Operating Temperature -20 to +40 C
Storage Temperature 0 to +35 C
Noise Level 60 dB
Corrosion Class C3, C4, C5 upon request
Fire Detection CO sensor + temperature sensor
Fire Suppression Stat-X
Controller Siemens Simotion P320-4
Communication MODBUS TCP, Ethernet IP

Key Features

  • Modular container sizing from 20-ft combi to dual-container configurations up to 4.5 MW
  • Hybrid DC-coupled architecture supports PV, wind, and hydrogen alongside battery storage
  • Grid forming, black start, and frequency containment reserve capability
  • MSC converter designed for over 20 years of service life
  • Stat-X fire suppression with CO and temperature detection
Product Certifications
IEC 62619 IEC 62620 IEC 63056 IEC 62485-1 IEC 62485-5 IEC 62281 IEC 61140
Environmental Compliance
Batt 2006/66/EG IEC 55011 IEC 61000-2 IEC 61000-4
About the Manufacturer
FREQCON
Rethem, Germany · Founded 1988

FREQCON GmbH, founded in 1988 and headquartered in Rethem, Germany, is a German manufacturer of multi-source hybrid inverters and turnkey BESS solutions. The company specializes in power conversion systems that support grid-forming capabilities with multiple DC-coupled energy ...

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BESS FQ Datasheet
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