Including €14.13 for ecotax
The Fox ESS Energy Cube 8.7kWh batteries are easy to install, ideal for new or existing systems. The modular design allows expansion up to 20.16kWh, offering high flexibility and performance.
FOX ESS batteries are designed with high-quality standards to deliver maximum performance, efficiency, reliability, and longevity. The 8.7kWh battery pack works in combination with the Fox ESS Energy Cube CS2900 modules and requires the CM2900, which already includes the BMS. The installation is easy, saving valuable time for installers.

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Discharge Depth
90% Discharge Depth
High Voltage
High voltage operation
Modular Battery
Modular battery designed to be stackable
Easy installation
Plug and Play Installation
Wide temperature tolerance
Operating temperature -10 - 55ºC
Long Life
Service life >6000 cycles
The system is shipped with the following products: