FOX ESS battery module with BMS (control unit) CM2900

The Energy Cube from Fox Ess is a powerful, scalable battery storage system. The control unit ensures that the storage modules of the Fox Energy Cube are always ideally charged or discharged.

The modular design of the Energy Cube enables 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

  • 90 % depth of discharge

  • Large temperature tolerance

  • CAN/RS485 communication

  • High voltage

  • Easy installation


Scope of delivery

  • 1x FOX ESS CM2900 control unit with battery module

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