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Fox ESS 5kWh AC Coupled Inverter + Fox CM2900 (Master) + 1 x Fox CS2900 (Slave)


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or from £2,610.00 today & 5 weekly interest-free payments of £144.00 with Laybuy

Questions? Get in touch we are here to help 0800 292 2270

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Fox Energy Cube HV ECM2900, 5.76kWh 1x Master 1x Slave

Energy cube 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 20.16 kWh. Installation is easy, with a plug and play solution that can save valuable time for installers.

  • 2.88kWh Capacity
  • Scalable to 20.16kWh
  • 90% Depth of Discharge
  • Wide Temperature Tolerence
  • Easy Installation
  • CAN/RS485 Communication
  • High Voltage

The quick & easy install feature allows for more ECM2900 battery modules to be added post installation.


Weight: 67.1 kg
Battery Type: Lithium Ion
Nominal Energy: 2880 Wh
Depth of discharge: 90.00 %
Voltage: 115 V
Continuous Discharge Rate (Normal Use): 5760 W
Maximum Discharge Rate (5 Minutes): 5760 W
Surge Discharge Rate (15 Seconds): 7488 W
Maximum Charge Rate (5 Minutes): 5760 W


Charger – Fox AC 5.0kW


The Fox system is easy to install and will save you time spent on installation. Remote monitoring is also available via your smartphone or web portal.


Uses high voltage batteries FE-HV2600 V2

IP65 rated – suitable for outdoor installations

Remote monitoring via web portal or smartphone

Easy to expand battery capacity


Dual MPPT – ensure optimal solar production

High round-trip efficiency of 97% BMS unit required 2 x HV2600 batteries minimum

CT Clamps and meter are included in the box


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All of our products are courier delivered and guaranteed.  Once your order is placed we will be in touch to book in your delivery date.

If you require installation and need help organising this, please get in touch on 0800 292 2270

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