Description

FOX-ESS ENERGY CUBE SLAVE CS2900 – 2.9KWH HIGH VOLTAGE LiFePO₄ LITHIUM BATTERY

Product Description

The FOX-ESS Energy Cube Slave CS2900 is a high-voltage lithium battery module designed to expand the storage capacity of compatible FOX-ESS Energy Cube systems.

With approximately 2.88 kWh of nominal energy capacity, the CS2900 uses LiFePO₄ lithium iron phosphate technology to provide reliable, high-efficiency energy storage for compatible residential and commercial solar applications.

The Slave battery module is designed to operate as part of a modular Energy Cube battery system alongside the appropriate Energy Cube Master CM2900 and FOX-ESS system components. Multiple compatible modules can be combined to increase total energy-storage capacity.

Key Features

2.88 kWh nominal energy capacity
High-voltage lithium battery technology
LiFePO₄ lithium iron phosphate chemistry
Modular and scalable battery design
Designed for FOX-ESS Energy Cube systems
Compatible with the Energy Cube Master configuration
Integrated battery management and protection
High energy density
Long cycle life
IP65 protection rating
CAN communication
Floor-mounted installation
Natural cooling

Technical Specifications

Specification	Details
Brand	FOX-ESS
Product	Energy Cube Slave CS2900
Model	CS2900
Battery Type	High Voltage Lithium Battery
Chemistry	LiFePO₄
Nominal Energy	2.88 kWh
Nominal Voltage	115.2 V
Nominal Capacity	25 Ah
Maximum Charge Current	25 A
Maximum Discharge Current	25 A
Communication	CAN
Protection Rating	IP65
Installation	Floor Mounted
Cooling	Natural Cooling
Dimensions	Approx. 380 × 380 × 580 mm
Weight	Approx. 32 kg
Operating Temperature	-10°C to 55°C
Cycle Life	≥6,000 cycles
System Type	Modular High-Voltage Energy Cube

Modular Energy Storage

The CS2900 Slave is designed to increase the energy capacity of a compatible FOX-ESS Energy Cube system.

It works together with the appropriate Energy Cube Master CM2900 and other compatible system components. This modular architecture allows the battery storage capacity to be configured according to the requirements of the installation.

Ideal Applications

The FOX-ESS Energy Cube Slave CS2900 is suitable for compatible:

Residential solar PV systems
Home energy-storage systems
Solar backup power
Hybrid solar installations
Small commercial energy-storage systems
Renewable-energy storage
Solar self-consumption systems
Backup-power applications

High-Voltage LiFePO₄ Technology

The CS2900 uses LiFePO₄ battery chemistry and a high-voltage architecture designed for integration into compatible FOX-ESS Energy Cube systems.

Its modular design allows additional battery capacity to be incorporated without replacing the complete battery system, subject to the manufacturer’s configuration requirements.

Installation & Compatibility

Important: The CS2900 is a Slave battery module and is designed to operate as part of a compatible FOX-ESS Energy Cube system. It is not intended to be used as a standalone battery.

Compatibility between the CS2900, CM2900 Master, FOX-ESS inverter and other system components must be confirmed before purchase.

Installation and commissioning of high-voltage battery systems should be performed by appropriately qualified personnel in accordance with FOX-ESS installation requirements.