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  • Name : Fox ECS 4.03kWh HV Battery (Slave)
  • Vendor : Fox ESS
  • Type : Storage Systems
  • Manufacturing : 2024 / 05 / 22
  • Barcode : FE-HV-ECS-4100

Fox ECS - High Voltage Battery (Slave)


ECS is a high-performance, scalable battery storage system. The modular design allows for maximum flexibility, making it suitable for a broad range of storage applications.‚ Additional batteries can be installed in series, allowing for a maximum storage capacity of 28.21 kWh. Installation is easy, with a plug and play solution that can save valuable time for installers.‚

  • 4.03kWh Capacity
  • Scalable to 28.21kWh‚
  • 90% Depth of Discharge
  • Wide Temperature Tolerence
  • Easy Installation
  • CAN/RS485 Communication
  • High Voltage

Don't forget: You must register your install with Fox online to activate the 12 year product warranty, otherwise it's 5 years as standard.‚ Please click here for registration page. ‚ Please check the warranty document for more information.

This battery requires a MINIMUM of 2 modules to work (Master + Slave), This battery can have a MAXIMUM of 7 modules in a stack (1x Master + 6x Slaves)

SPG Renewables have only received 1 version of the 4100 battery model (labelled V2) and as such there should be no compatibility issues when installing new systems or expanding existing systems where the original batteries were purchased from SPG Renewables.

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This product must be installed by a qualified electrician/technician. All installations must adhere to local wiring regulations and standards. SPG Renewables will not be held liable for any product malfunctions as a result of incorrectly installed systems.

On Special Offer!
FE-H1-3.7-G2-ECS4100-WG Fox ESS H1 3.7kW G2 Hybrid Inverter with ECS4100 Battery stack of 2 (8.06kWh)
FE-H1-5.0-G2-ECS4100-WG Fox ESS H1 5.0kW G2 Hybrid Inverter with ECS4100 Battery stack of 2 (8.06kWh)
FE-H1-6.0-G2-ECS4100-WG Fox ESS H1 6.0kW G2 Hybrid Inverter with ECS4100 Battery stack of 2 (8.06kWh)
FE-HV-EC-2-4.1-8.2 Fox ECS HV ECM4100, 8.06kWh 1x Master 1x Slave
FE-HV-EC-3-4.1-12.3 Fox ECS HV ECM4100, 12.09kWh 1x Master 2x Slave
FE-HV-EC-4-4.1-16.4 Fox ECS HV ECM4100, 16.12kWh 1x Master 3x Slave
FE-HV-EC-5-4.1-20.5 Fox ECS HV ECM4100, 20.15kWh 1x Master 4x Slave
FE-HV-EC-6-4.1-24.6 Fox ECS HV ECM4100, 24.18kWh 1x Master 5x Slave
FE-HV-EC-7-4.1-28.7 Fox ECS HV ECM4100, 28.21kWh 1x Master 6x Slave (Full Stack)

If you have any technical queries about this product or wish to report any issues with the information on this page then please use the Contact Form to contact us.
Supplier Part No:
Energy Cube CS4100
34.8 kg
Battery Type:
Lithium Ion
Nominal Energy:
4050 Wh
Depth of discharge:
90.00 %
52 V
Continuous Discharge Rate (Normal Use):
2875 W
Maximum Discharge Rate (5 Minutes):
2875 W
Surge Discharge Rate (15 Seconds):
2875 W
Maximum Charge Rate (5 Minutes):
2875 W