# FoxESS - ENERGY_CUBE_CS4100 Battery Module

- **Brand:** FoxESS
- **SKU:** FOXESS-ENERGY-CUBE-CS4100
- **MPN:** ENERGY_CUBE_CS4100
- **Price:** 1,119.00 EUR
- **Availability:** In stock
- **Categories:** Battery Energy Storage

The FoxESS Energy Cube CS4100 is a high-voltage 4.03 kWh battery module designed for scalable energy storage systems with flexible expansion and reliable performance.

The **FoxESS Energy Cube CS4100** is a high-performance battery module designed for scalable energy storage applications. It uses advanced LiFePO4 battery technology to ensure safety, stability, and long service life.

The modular design allows multiple units to be connected in series, enabling flexible system configurations and expansion up to larger capacities. This makes it ideal for residential and commercial photovoltaic installations.

With high efficiency, wide operating temperature range, and plug-and-play installation, the system provides reliable and efficient energy storage for modern solar systems.

### **Core Electrical Characteristics**

1. High-voltage battery module
2. 4.03 kWh capacity
3. High efficiency >95%
4. 90% depth of discharge
5. Expandable system design

### **Connectivity and Integration**

1. CAN communication
2. RS485 communication
3. Compatible with FoxESS systems
4. Supports modular expansion
5. Easy system integration

### **System Performance and Control**

1. ≥6000 cycle life
2. Stable charge and discharge
3. Efficient energy storage
4. Reliable operation
5. High performance system

### **Design and Installation**

1. Stackable modular design
2. Plug-and-play installation
3. Indoor and outdoor use
4. Compact structure
5. Flexible expansion

### **Safety and Compliance**

1. LiFePO4 battery chemistry
2. IP65 protection
3. Certified battery system
4. Safe operation
5. Reliable long-term use

### **Typical Applications**

1. Residential energy storage
2. Commercial ESS systems
3. Solar battery storage
4. Backup power systems
5. Energy management solutions

## Specifications

| Spec | Value |
| --- | --- |
| Weight | 75.5 kg |
| Cooling | Natural convection |
| Display | LED indicators |
| Voltage | 97.2–131.4 V (module range) |
| Capacity | 4.03 kWh |
| Warranty | 120 months |
| Cycle life | ≥6000 |
| Dimensions | 570 × 350 × 380 mm |
| Efficiency | >95% |
| Monitoring | Via system/inverter |
| Battery type | LiFePO4 |
| Communication | CAN, RS485 |
| Compatibility | FoxESS ECS system |
| Certifications | IEC 62619, UN38.3 |
| Charging modes | Managed by system |
| Battery voltage | 115.2 V (nominal per module) |
| Mounting options | Stack system |
| Installation type | Floor-standing |
| Protection rating | IP65 |
| Max charge current | 50 A |
| Parallel capability | Up to 7 modules |
| Max discharge current | 50 A |
| Operating temperature | -20°C to +55°C |