enjoy solar Fox-ESS CS2900 V2.0 Energy Cube Battery Storage System (Slave) Instruction Manual

1. Product Overview

The FOX ESS CS2900 V2.0 Energy Cube Battery Storage System (Slave module) is a powerful and scalable battery storage solution designed for expanding existing energy storage systems. Developed by leading experts in inverter and battery technology, FOX ESS products offer advanced features, unparalleled performance, and reliability.

This product is a single ES2900 storage module intended for extending an existing ECS2900 storage system. A standalone battery module cannot be connected directly to an inverter. Up to 7 battery modules can be connected in series to expand your system capacity.

Key Features:

• Battery Type: LiFePO4 prismatic cell, offering high voltage and a 90% depth of discharge for maximum safety, extended lifespan, and performance.
• Modular Design: Allows for maximum flexibility, making it suitable for a variety of storage applications.
• Easy Installation: Features a plug-and-play solution designed to save valuable installation time.
• Certifications: IEC62619 safety, EMC EN IEC 61000-6-1/2/3/4, UN38.3 transport; IP65 protection rating.

Figure 1: The enjoy solar Fox-ESS CS2900 V2.0 Energy Cube Battery Storage System, showing multiple stacked modules.

2. Safety Information

Always read and understand all safety instructions before installing, operating, or maintaining the battery storage system. Failure to follow these instructions may result in electric shock, fire, serious injury, or death.

• Installation should only be performed by qualified personnel.
• Do not attempt to open, disassemble, or repair the battery module.
• Ensure proper ventilation around the battery system.
• Keep away from flammable materials and direct sunlight.
• In case of fire, use a Class D fire extinguisher. Water can be dangerous.
• Avoid contact with battery fluids. If contact occurs, rinse immediately with water and seek medical attention.

3. Setup and Installation

The Fox-ESS CS2900 V2.0 battery module is designed for simple plug-and-play installation. It can be installed both outdoors and indoors, in a standing position.

3.1. Module Identification

Ensure you are using the correct version and connector type for your system. This product is the V2.0, Model A. BMS V1.0 is not compatible with V2.0 batteries. There are two types of connectors, A and B, which cannot be mixed.

Figure 2: Identification label for V2.0 Model A battery module.

Figure 3: Important note on connector compatibility. Type A and Type B connectors cannot be mixed within a single battery stack.

3.2. Connection Points

Familiarize yourself with the connection points on the battery module:

• Bat -: Negative battery terminal.
• Comm: Communication port.
• Ground: Grounding point.
• Bat +: Positive battery terminal.

Figure 4: Detailed view of the battery module's connection terminals.

3.3. Physical Installation

When installing the battery module, ensure adequate clearance for ventilation and access. Maintain a minimum distance of 20mm from walls on the sides and 300mm from the front and back.

Figure 5: Recommended installation clearances for proper ventilation and access.

For stacking multiple modules, carefully align and insert one module onto another. Up to 7 modules can be connected in series.

Figure 6: Stacking procedure for connecting multiple battery modules.

Each module features a handle for easier transport and positioning, a battery mounting hole, and an operating status LED.

Figure 7: Key features on the battery module exterior.

4. Operation

Once properly installed and connected to a compatible inverter system (not included with this slave module), the Fox-ESS CS2900 V2.0 battery module operates automatically as part of the larger energy storage system.

• The operating status LED will indicate the current state of the battery. Refer to your main system's manual for specific LED indicator meanings.
• The battery management system (BMS) within the main system will manage charging and discharging cycles to optimize performance and lifespan.

5. Maintenance

The Fox-ESS CS2900 V2.0 battery module is designed for minimal maintenance. However, regular checks are recommended to ensure optimal performance and safety.

• Visual Inspection: Periodically inspect the battery module for any signs of damage, corrosion, or loose connections.
• Cleaning: Keep the exterior of the battery module clean and free from dust and debris. Use a dry, soft cloth for cleaning. Do not use liquid cleaners.
• Ventilation: Ensure that the ventilation areas are not obstructed.
• Temperature: Operate the battery within the specified temperature range (-20 to 55 °C) to maximize lifespan.

6. Troubleshooting

This section addresses common issues you might encounter with your battery module.

For issues not listed here, or if troubleshooting steps do not resolve the problem, please contact enjoy solar customer support.

7. Specifications

8. Warranty and Support

For warranty information and technical support, please refer to the official enjoy solar website or contact their customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.

Manufacturer: SolarV