FOX ESS battery module CS2900

The Energy Cube from Fox Ess is a powerful, scalable battery storage system. With storage modules that can be purchased individually, users can decide for themselves how they want to design their storage and can also upgrade at a later date.

The modular design of the Energy Cube allows for the highest possible flexibility, making the product suitable for a wide range of storage applications. Up to 7 storage modules can be connected in series. This results in a maximum storage capacity of 20.16 kWh. Thanks to the plug & play principle, installation is simple and time-saving.

Completing the system: To have a complete system, you need at least 1 x CS2900 storage module in addition to a CMS2900 control unit.

Compatibility: The Fox Ess control unit CM2900 is suitable for the installation of 3-phase systems in the combination of 3 to 6 CS2900 storage modules.


Key features

  • Scalable to 20.16 kWh

  • 2.88 kWh storage module

  • 90 % depth of discharge

  • Large temperature tolerance

  • CAN/RS485 communication

  • High voltage

  • Easy installation


Scope of delivery

  • 1x FOX ESS CS2900 memory module

Capacity: 2,88 kWh
Nominal voltage: 57,6 V
Battery technology: LiFePO4
Warranty: 10 years