
Fox ESS Cube ECS2900 2.88kWh V2 HV Battery (Master) Type B
Fox ECS2900 2.88kWh HV Battery (Master)
#1: FE-HV-ECM-2900
*Cube batteries from ITS are V2 with B connector, if purchasing to add to an existing system please check if you have V2 with B connector batteries on your existing system.
Fox ECS 2.88kWh HV Battery – High-Performance Modular Storage
The Fox ECS Battery is a high-performance, scalable high-voltage (HV) battery storage system, compatible exclusively with Fox HV chargers. Designed with a modular approach, it provides maximum flexibility, making it ideal for residential and commercial energy storage applications. Expand your system with additional batteries to achieve up to 20.16 kWh of storage.
Key Features
-
2.88kWh Capacity – compact yet powerful
-
Scalable to 20.16kWh – add more modules as your energy needs grow
-
90% Depth of Discharge – maximizes usable energy
-
Wide Temperature Tolerance – reliable performance in varied climates
-
Easy Installation – plug and play system saves time for installers
-
CAN/RS485 Communication – seamless integration with compatible systems
-
High Voltage Operation – efficient energy transfer
Technical Specifications
-
Weight: 34.7 kg
-
Rated Power: 2,880 W
-
Battery Type: Lithium Ion
-
Nominal Energy: 2,880 Wh
-
Depth of Discharge: 90%
-
Voltage: 52 V
-
Continuous Discharge Rate (Normal Use): 1,440 W
-
Maximum Discharge Rate (5 Minutes): 2,880 W
-
Surge Discharge Rate (15 Seconds): 3,000 W
-
Maximum Charge Rate (5 Minutes): 2,880 W
Why Choose Fox ECS Batteries?
The Fox ECS 2.88kWh HV Battery is designed for flexible, scalable energy storage. Its modular design and plug-and-play installation make it ideal for expanding existing systems or starting a new high-voltage storage setup. Perfect for homeowners or businesses seeking reliable, efficient, and safe energy storage solutions.




Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Fox ECS2900 2.88kWh HV Battery (Master)
#1: FE-HV-ECM-2900
*Cube batteries from ITS are V2 with B connector, if purchasing to add to an existing system please check if you have V2 with B connector batteries on your existing system.
Fox ECS 2.88kWh HV Battery – High-Performance Modular Storage
The Fox ECS Battery is a high-performance, scalable high-voltage (HV) battery storage system, compatible exclusively with Fox HV chargers. Designed with a modular approach, it provides maximum flexibility, making it ideal for residential and commercial energy storage applications. Expand your system with additional batteries to achieve up to 20.16 kWh of storage.
Key Features
-
2.88kWh Capacity – compact yet powerful
-
Scalable to 20.16kWh – add more modules as your energy needs grow
-
90% Depth of Discharge – maximizes usable energy
-
Wide Temperature Tolerance – reliable performance in varied climates
-
Easy Installation – plug and play system saves time for installers
-
CAN/RS485 Communication – seamless integration with compatible systems
-
High Voltage Operation – efficient energy transfer
Technical Specifications
-
Weight: 34.7 kg
-
Rated Power: 2,880 W
-
Battery Type: Lithium Ion
-
Nominal Energy: 2,880 Wh
-
Depth of Discharge: 90%
-
Voltage: 52 V
-
Continuous Discharge Rate (Normal Use): 1,440 W
-
Maximum Discharge Rate (5 Minutes): 2,880 W
-
Surge Discharge Rate (15 Seconds): 3,000 W
-
Maximum Charge Rate (5 Minutes): 2,880 W
Why Choose Fox ECS Batteries?
The Fox ECS 2.88kWh HV Battery is designed for flexible, scalable energy storage. Its modular design and plug-and-play installation make it ideal for expanding existing systems or starting a new high-voltage storage setup. Perfect for homeowners or businesses seeking reliable, efficient, and safe energy storage solutions.


















