1. Introduction
The EASUN LiFePO4 Powerwall Battery is a high-performance lithium iron phosphate energy storage solution designed for home solar systems. It features a nominal voltage of 51.2V and a capacity of 100AH, providing reliable and efficient power storage. This battery supports advanced communication protocols (CAN/RS485) for seamless integration with various hybrid solar inverters and can be expanded by connecting up to 15 units in parallel.
This manual provides essential information for the safe and effective installation, operation, and maintenance of your EASUN Powerwall Battery. Please read it thoroughly before use.
2. Safety Information
⚠️ Please mind potential fire risk and strictly follow the instruction manual for charging and storage. For disposal, please check your local authority's website for more information and dispose of the lithium-ion battery safely in accordance with the applicable legal requirements.
- Always ensure proper ventilation during operation and charging.
- Do not expose the battery to extreme temperatures, direct sunlight, or moisture.
- Avoid short-circuiting the battery terminals.
- Keep out of reach of children and pets.
- Only use compatible chargers and inverters as specified in this manual.
- In case of any malfunction or damage, disconnect the battery immediately and contact support.
3. Package Contents
Upon receiving your EASUN LiFePO4 Powerwall Battery, please verify that all components are present and undamaged. The standard package includes:
- EASUN LiFePO4 Powerwall Battery (51.2V 100AH)
- Battery installation bracket
- Installation screws
- Communication cable (for RS485/CAN)
- Power cables (red and black)
- User Manual
4. Product Features and Advantages
The EASUN LiFePO4 Powerwall Battery is designed with advanced features for optimal performance and user convenience:
- LCD Display: Monitors power supply data and working conditions in real-time.
- High-Quality LiFePO4 Cells: Ensures safety, deep cycle capability, and a long service life of over 6000 cycles.
- Enhanced Safety Design: Features a product round edge to prevent accidental collisions and an external main switch to reduce energy consumption and improve safety.
- Built-in BMS: Integrated Battery Management System provides comprehensive protection against over-voltage, over-load, and over-temperature.
- Versatile Compatibility: Can be connected to various types of loads within the specified voltage range.
- Scalable System: Supports parallel connection of up to 15 modules for increased capacity.
- Easy Installation: Designed for plug-and-play setup with included wall brackets.
5. Specifications
Below are the detailed technical specifications for the EASUN LiFePO4 Powerwall Battery (100AH model):
| Attribute | Value (100AH Model) |
|---|---|
| Model | IBattery-EA-51.2V-100AH |
| Nominal Voltage | 51.2V |
| Nominal Capacity | 100AH |
| Efficiency | ≥96% |
| Inner Resistance | 10mΩ |
| Cell Type | LiFePO4 |
| Charge Voltage | 58.4V |
| Standard Charging Current | 20A |
| Max. Continuous Charging Current | 100A |
| Standard Discharge Current | 20A |
| Continuous Discharge Current | 100A |
| Peak Discharge Current | 200A (3S) |
| Discharge Cut-off Voltage | 42V |
| Charge Temperature Range | 0 ~ 60 ℃ |
| Discharge Temperature Range | -10 ~ 65 ℃ |
| Storage Temperature Range | -5 ~ 40 ℃ |
| Storage Humidity | 65 ± 20% RH |
| Size (L×W×H) | 440 × 170 × 560mm |
| Package Size (L×W×H) | 625 × 520 × 335mm |
| Shell Material | SPCC |
| Net Weight | 42kg |
| Gross Weight | 53kg |
| Package Method | 1pcs per carton |
| Cycle Life | ≥6000 times |
| Self Discharge | 2% per month |
| SOC Indication | LED Light & LCD Screen |
| Communication Protocol | RS485/CAN |
| Parallel Connection | Max 15 units |
6. Setup and Installation
6.1 Physical Installation
The EASUN Powerwall Battery is designed for wall-mounted installation. Use the provided wall-mount bracket and screws to securely attach the battery to a sturdy wall in a well-ventilated area, away from direct sunlight and moisture.
6.2 Component Overview
Familiarize yourself with the battery's external components:
6.3 Electrical Connections
Connect the battery to your hybrid solar inverter using the provided power cables (M6 positive and negative terminals) and communication cables. Ensure all connections are secure and correctly polarized.
6.3.1 Communication with Inverter
The battery supports RS485 and CAN communication protocols. Ensure your inverter is compatible. The following inverter brands are known to be compatible:
- EASUN
- Deye
- SMA
- SOFAR
- LUPOWER
- GOODWE
- Solis
- Growatt
- Voltronic Power
- Sacolar
- PowMr
- Huawei
- Powland
- Schneider Electric
- Steca
6.3.2 Example: EASUN IGrid SV-IV-5.6KW Inverter Communication
For specific communication with the EASUN IGrid SV-IV-5.6KW inverter, follow this wiring guide:
- Connect the first pin of the battery's communication port to the third pin of the inverter's communication port.
- Connect the second pin of the battery's communication port to the fifth pin of the inverter's communication port.
The 3-pin and 5-pin communication wires are connected to the inverter, while the 1-pin and 2-pin are connected to the battery's end.
6.4 Parallel Connection
The battery supports connecting up to 15 modules in parallel to increase total energy storage capacity. Ensure all batteries are of the same model and charged to similar voltage levels before connecting in parallel. Consult a qualified electrician for complex parallel installations.
7. Operating Instructions
7.1 Initial Startup
- After completing all electrical connections, ensure the external main switch (19 in Figure 6.2) is in the OFF position.
- Turn on the inverter and other connected devices.
- Switch the battery's external main switch to the ON position.
- Monitor the LCD display (2 in Figure 6.2) for status and power data.
7.2 Monitoring
The integrated LCD display provides real-time information on the battery's state of charge (SOC), voltage, current, and temperature. Regularly check the display to ensure optimal performance.
7.3 System Application Overview
The EASUN Powerwall Battery integrates seamlessly into a home solar system, managing energy flow throughout the day:
- Morning: Solar panels (PV) generate electricity, charging the battery and powering household loads.
- Noon: PV generation is at its peak, charging the battery, powering loads, and potentially feeding excess energy back to the grid.
- Evening: The battery discharges to power household loads. If battery power is insufficient, the grid provides supplemental electricity.
8. Maintenance
To ensure the longevity and optimal performance of your EASUN LiFePO4 Powerwall Battery, follow these maintenance guidelines:
- Regular Inspection: Periodically check the battery for any signs of physical damage, loose connections, or corrosion.
- Cleanliness: Keep the battery and its surroundings clean and free from dust and debris. Use a dry, soft cloth for cleaning.
- Temperature Control: Ensure the battery operates within its specified temperature ranges (Charge: 0~60℃, Discharge: -10~65℃, Storage: -5~40℃). Avoid extreme heat or cold.
- Firmware Updates: If available, regularly update the battery's firmware as recommended by EASUN POWER to ensure the latest features and performance enhancements.
- Professional Check: For any complex issues or annual checks, it is recommended to consult a qualified technician.
9. Troubleshooting
This section addresses common issues you might encounter with your EASUN Powerwall Battery. For problems not listed here, please contact customer support.
- Battery Not Charging: Check all power cable connections, ensure the inverter is functioning correctly, and verify that the battery's main switch is ON. Check the LCD display for any error codes.
- Battery Not Discharging: Ensure the inverter is requesting power from the battery and that the battery's main switch is ON. Check for any overload conditions on the inverter or battery.
- Communication Error: Verify the communication cable connections between the battery and the inverter. Ensure the inverter's communication settings match the battery's protocol (RS485/CAN). Refer to the specific wiring diagram for your inverter model.
- LCD Display Not Working: Check if the battery is powered on. If the issue persists, contact customer support.
- Warning Light On: Consult the user manual for the specific meaning of the warning light. This usually indicates an internal issue detected by the BMS (e.g., over-temperature, over-voltage). Disconnect the battery and contact support.
10. User Tips
- Inverter Compatibility: The EASUN Powerwall Battery is compatible with a wide range of inverters including Huawei Sun2000 models. Always confirm compatibility and communication settings with your inverter's manual.
- Proper Packaging: The battery is shipped in a wooden box with protective foam to ensure safe delivery. Retain packaging for potential future transport or returns.
- Communication Cable Connection: Pay close attention to the pin connections for communication cables, especially when connecting to specific inverter models like the EASUN IGrid SV-IV-5.6KW. Incorrect wiring can prevent communication.
11. Warranty and Support
EASUN POWER provides a comprehensive warranty for its products. The wall-mounted LiFePO4 batteries come with a 10-year warranty.
For technical support, warranty claims, or any questions regarding your product, please contact EASUN POWER customer service. Ensure you have your product model number and purchase details ready.
