1. Introduction
This manual provides essential information for the safe and efficient operation of your EASUN POWER LiFePO4 Battery Pack. Please read this manual thoroughly before installation and use, and keep it for future reference. This battery pack is designed for energy storage systems, offering high performance and a long service life.
2. Key Features
- High-performance lithium iron phosphate (LiFePO4) battery for enhanced safety and extended service life.
- External weak current switch to reduce power consumption and improve safety during transportation and storage.
- Integrated RS485/CAN communication function for seamless integration with compatible equipment.
- Support for external wireless modules for remote data monitoring and control (module sold separately).
- Multiple protection functions (OVP/UVP/OCP/OTP/UTP/SCP etc.) to ensure comprehensive power supply safety.
- Stable output, compatible with various loads within the specified voltage range.
- Supports parallel connection of up to 15 independent modules for scalable energy storage.
3. Package Contents
Verify that all items listed below are included in your package:
| No. | Items | Qty | Remark |
|---|---|---|---|
| A | Battery Pack | 1 | 48V/51.2V/100Ah/150Ah/200Ah (depending on model) |
| B | Inverter Power Cable (1000mm) | 1 | 6AWG Wire - M6 |
| C | Communication Cable | 1 | Cable with RJ45 connector |
| D | Communication Tool | 1 | USB to RS485 |
| - | User Guider | 1 | This document |
4. Specifications
| Attribute | Value |
|---|---|
| Model Number | LiFePO4 Battery Pack -51.2V 100AH |
| Type | LiFePO4 |
| Nominal Capacity | 100/200AH |
| Voltage | 51.2Vdc |
| Energy | 4.8KWh/5.12KWh |
| Max. Charge voltage | 54.75V/58.4V |
| Cut-off Discharge voltage | 39.0V/42.0V |
| Stand. Charge current | 50A |
| Max. Charge current | 100A |
| Stand. Discharge current | 100A |
| Max. Discharge current | 100A |
| Peak Discharge current | 150A |
| Protections | OVP/UVP/OCP/OTP/UTP/SCP etc. |
| Communication | RS485/CAN |
| Work temperature (Charge) | 0°C~45°C |
| Work temperature (Discharge) | -15°C~60°C |
| Storage temperature | 0°C~45°C @ 60±20% Relative Humidity |
| Protection grade | IP21 |
| Dimensions (L*W*H) | 442*400*223MM |
| Weight | 45KG |
| Application | Laptop (General purpose, likely refers to general electronics) |
| Certification | CE, RoHS, WEEE |
5. Setup and Installation
5.1 System Diagram
The diagram below illustrates a typical household solar energy storage system. This battery is suitable for both off-grid and hybrid systems.
Ensure all connections are made by a qualified professional following local electrical codes and safety standards.
5.2 Parallel Connection
The LiFePO4 battery is designed to match all off-grid and hybrid solar inverters (48Vdc/51.2Vdc types). When parallel connection is required, a maximum of 15 units can be connected. For optimal performance and safety, we recommend connecting 2-8 units in parallel.
Note:
- Parallel power cables are typically 2 meters long and are not standard inclusions in the battery package.
- Consult with your sales manager for proper use and to determine the quantity of parallel cables needed for your specific setup.
6. Operation
6.1 Front Panel Overview
Familiarize yourself with the front panel components and their functions:
- Negative Terminal: Connects to the negative pole of the inverter or other battery units.
- LCD Display: Shows real-time battery status, including voltage (Vsum), current (Im), State of Charge (SOC), and Full Charge Capacity (FCC).
- Positive Terminal: Connects to the positive pole of the inverter or other battery units.
- Battery Failure Light: Indicates a fault or error condition within the battery.
- Battery Indicator: Shows the current charge level or operational status.
- INV (Inverter) Port: Communication port for connecting to an inverter.
- CAN Port: CAN bus communication interface.
- HC (Host Controller) Port: Communication port for connecting to a host controller.
- RS485-1/RS485-2 Ports: RS485 communication interfaces for data exchange.
- Power Button: Used to turn the battery unit ON/OFF.
The LCD display also features MENU, ENTER, UP, and DOWN buttons for navigating and adjusting settings.
6.2 Power On/Off Sequence
To power on the battery unit, press and hold the Power button (10) until the LCD display illuminates and shows the "Welcome To Use BESS!" message, followed by operational data. To power off, press and hold the Power button again until the display turns off.
7. Application Scenarios
The EASUN POWER LiFePO4 Battery Pack is versatile and can be integrated into various energy storage applications:
- Solar Power Systems: Store excess solar energy for use during nighttime or cloudy days.
- Wind Power Systems: Integrate with wind turbines for reliable energy storage.
- Uninterruptible Power Supplies (UPS): Provide backup power for critical loads.
- Telecom Base Stations: Ensure continuous power supply for communication infrastructure.
- Solar Street Lights: Power autonomous lighting solutions.
8. Maintenance
To ensure the longevity and optimal performance of your LiFePO4 Battery Pack, follow these maintenance guidelines:
- Regular Inspection: Periodically check all connections for tightness and signs of corrosion. Ensure cables are not damaged.
- Cleaning: Keep the battery unit clean and free from dust and debris. Use a dry, soft cloth for cleaning. Do not use liquid cleaners.
- Temperature Control: Operate and store the battery within the specified temperature ranges (Charge: 0°C~45°C, Discharge: -15°C~60°C, Storage: 0°C~45°C). Extreme temperatures can degrade performance and lifespan.
- Ventilation: Ensure adequate ventilation around the battery pack, especially when multiple units are stacked, to prevent overheating.
- Firmware Updates: If available, regularly check for and apply firmware updates for the BMS to ensure optimal performance and compatibility.
- Avoid Deep Discharges: While LiFePO4 batteries tolerate deep discharges well, avoiding consistent deep discharges can further extend their cycle life.
9. Troubleshooting
This section addresses common issues you might encounter. For problems not listed here, please contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not powering on | Power button not pressed correctly; internal fault; low voltage. | Press and hold the power button for several seconds. Check if the battery has sufficient charge. If the issue persists, contact support. |
| Battery Failure Light (4) is on | BMS detected an error (e.g., over-voltage, under-voltage, over-current, over-temperature). | Check the LCD for specific error codes or messages. Disconnect the load and charging source, then restart the battery. If the light remains on, contact support. |
| No communication with inverter/external device | Incorrect communication cable connection; incompatible protocol; incorrect settings. | Ensure communication cables (RJ45) are securely connected to the correct ports (INV, CAN, RS485). Verify that the inverter/device supports RS485/CAN communication and that settings are configured correctly. |
| Battery not charging/discharging | BMS protection activated; faulty connections; inverter/charger issue. | Check for any active protections on the LCD. Ensure power cables are securely connected. Verify the inverter/charger is functioning correctly. |
10. User Tips
- For parallel connections, ensure all battery units are of the same model and capacity for optimal performance and balanced charging/discharging.
- When stacking multiple units, ensure stable placement and proper airflow to prevent heat buildup.
- Utilize the RS485/CAN communication features to monitor battery health and performance through compatible systems.
11. Warranty and Support
The EASUN POWER LiFePO4 Battery Pack comes with a 10-year warranty, reflecting our commitment to quality and durability. For warranty claims, technical support, or any inquiries, please contact your original point of purchase or EASUN POWER customer service.
Please retain your purchase receipt as proof of purchase for warranty purposes.
