1. Introduction
Thank you for choosing the DATOUBOSS LFP48-300-FSD LiFePO4 Power Wall-Mounted Lithium Ion Battery. This high-capacity 15.36kWh, 51.2V/300Ah battery system is designed for reliable energy storage in various applications, including home storage, off-grid systems, yachts, and RVs. Featuring an IP65 waterproof rating and an integrated Smart Battery Management System (BMS), it ensures safe and efficient operation. This manual provides essential information for the safe installation, operation, and maintenance of your battery system.
2. Safety Information
WARNING: Failure to follow these safety instructions may result in fire, electric shock, injury, or damage to the product or property.
- Always wear appropriate personal protective equipment (PPE) when handling the battery.
- Do not disassemble, modify, or attempt to repair the battery. Contact qualified personnel for service.
- Keep the battery away from open flames, heat sources, and flammable materials.
- Ensure proper ventilation during installation and operation.
- Avoid short-circuiting the battery terminals.
- Do not expose the battery to extreme temperatures outside its specified operating range.
- Keep out of reach of children and pets.
- Ensure all electrical connections are secure and correctly polarized.
- In case of fire, use a Class D fire extinguisher (for lithium-ion batteries). Do not use water.
3. Product Overview
The DATOUBOSS LFP48-300-FSD is a robust LiFePO4 battery system designed for durability and performance. It features an IP65 waterproof rating, making it suitable for various environments. The integrated Smart BMS provides comprehensive protection, and the color touch screen allows for real-time monitoring and easy control.
3.1. Key Features
- High Capacity: 15.36kWh (51.2V/300Ah) for extended power supply.
- IP65 Waterproof: Suitable for outdoor and harsh environments.
- Smart BMS: Integrated protection against overcharge, overdischarge, overcurrent, short-circuit, and temperature extremes.
- Long Cycle Life: ≥8000 cycles at 25°C (70% SOH) and ≥3000 cycles at 45°C (70% SOH).
- Flexible Installation: Wall-mounted design with optional rollers for mobility.
- Real-time Monitoring: Color touch screen for easy operation and data display.
- Communication Protocols: Supports RS232, RS485, and CAN for integration with various inverters and systems.
3.2. Component Identification
Refer to the diagram below for the identification of key components and interfaces on your DATOUBOSS battery system.
- Alarm Indicator
- Operation Indicator
- Switching Indicator
- Dry contact
- Reset Switch
- DIP Address
- Battery Indicator
- CAN Communication Port
- RS232 Communication Port
- RS485 Communication Port
- Battery Negative Terminal
- Battery Positive Terminal
- LCD display
- Push button Switch
- Air Switch
3.3. Package Contents
Upon unpacking, ensure all items listed below are present:
- DATOUBOSS Lithium-ion Battery (Model: LFP48-300-FSD, 15.36kWh, 51.2V/300Ah)
- Instruction Manual (this document)
- Bolts for installation
- Red Insulating Sleeves
- Black Insulating Sleeves
- Small Nuts
- Yellow Network Cable
- Red-black Cable
- Metal Bracket for wall mounting
- Product Specification Label
4. Specifications
The following table details the technical specifications of the DATOUBOSS LFP48-300-FSD battery system:
| Parameter | Specification |
|---|---|
| Model | LFP48-300-FSD |
| Battery Capacity | 15.36kWh |
| Battery Internal Resistance | <10mΩ |
| Single Battery Capacity | 300Ah |
| Nominal Operating Voltage | 51.2V |
| Maximum Output Current | 210A |
| Standard Input Current | 150A (Max 210A) |
| Overpressure Protection | 58.4V |
| Overcharge Protection Recovery | 54.0V |
| Overdischarge Protection | 43.2V |
| Overdischarge Protection Recovery (within 30 seconds) | 48V (tunable) |
| Charging Over-Temperature Protection | 50°C |
| Charge Over-Temperature Protection Recovery | 45°C (tunable) |
| Charging Low Temperature Protection | 0°C (tunable) |
| Charge Cryoprotection Recovery | 5°C |
| Discharge Over-Temperature Protection | 50°C |
| Discharge Over-Temperature Protection Recovery | 45°C |
| Low Temperature Protection | -15°C |
| Low Temperature Protection Recovery | -10°C |
| Charging Overcurrent | 215A |
| Discharge Overcurrent Protection | 215A |
| Short Circuit Protection | Yes |
| Amount Of Electricity Shipped | 40% to 60% |
| Equalization | Passive equilibrium |
| Power Off Self-Consumption | ≤300μA |
| Battery Cycle Life (25°C, 70% SOH) | ≥8000 Cycles |
| Battery Cycle Life (45°C, 70% SOH) | ≥3000 Cycles |
| Communication Protocols | RS232, RS485, CAN |
| Dimensions (L×W×H) | 453 x 260 x 879mm (17.8 x 10.2 x 34.6 inches) |
| Weight | 110kg (242 lbs) |
5. Setup and Installation
The DATOUBOSS battery offers flexible installation options, including wall-mounting or mobile placement using its integrated rollers.
5.1. Physical Installation
The battery unit measures 45cm (17.7in) in width, 26cm (10.2in) in depth, and 86cm (33.8in) in height. Ensure the installation location has sufficient space and can support the battery's weight of 110kg (242 lbs).
- Wall Mounting: Use the provided metal bracket and bolts to securely mount the battery to a sturdy wall. Ensure the wall material can bear the significant weight of the battery.
- Mobile Placement: The battery is equipped with rollers for convenient movement. Ensure the battery is placed on a flat, stable surface when stationary.
5.2. Electrical Connections
The battery system integrates with photovoltaic modules, generators, and the power grid to supply power to your loads. Always ensure the Air Switch (15) is in the OFF position before making any connections.
- Connect the Battery Negative Terminal (11) and Battery Positive Terminal (12) to your inverter or charge controller using the provided red-black cables and insulating sleeves. Ensure correct polarity.
- Connect your photovoltaic modules to the appropriate input on your charge controller/inverter.
- Connect your generator and/or power grid to the designated inputs on your inverter/system.
- Connect your household loads to the output of your inverter/system.
- Communication Connections: The battery supports RS232, RS485, and CAN protocols for communication with compatible inverters or host computers. Use the provided yellow network cable for these connections as needed. Refer to the Interface Definition table for pin descriptions.
The BMS interface is compatible with various brands, including PYLONTECH, GROWATT, and iDeye.
IMPORTANT: Consult a qualified electrician or solar professional for complex installations to ensure compliance with local electrical codes and safety standards.
6. Operating Instructions
6.1. Initial Power-Up
- After all electrical connections are securely made, turn on the Air Switch (15) on the battery unit.
- Press the Push Button Switch (14) to activate the battery system.
- The LCD display (13) will power on, showing real-time operating data.
6.2. LCD Display and Monitoring
The color touch screen LCD display provides real-time monitoring of the battery's status and allows access to various settings.
- Main Screen: Displays Voltage (V), Capacity (%), Current (A), Power (W), and State (CHG/DSG).
- Navigation: Use the touch screen to navigate between different pages such as 'master', 'slave', 'parameter', 'protocol', and 'setting'.
- Parameter Settings: Adjust specific battery parameters as required by your system setup (consult your inverter manual and a professional if unsure).
6.3. Indicators
- Alarm Indicator (1): Illuminates to indicate a fault or warning condition. Refer to the troubleshooting section.
- Operation Indicator (2): Shows the current operating status (e.g., charging, discharging, standby).
- Switching Indicator (3): Indicates the state of internal switching.
- Battery Indicator (7): Provides a visual representation of the battery's charge level.
7. Maintenance
Regular maintenance ensures the longevity and optimal performance of your DATOUBOSS battery system.
- Cleaning: Periodically clean the exterior of the battery with a dry, soft cloth. Do not use harsh chemicals or abrasive cleaners.
- Inspection: Regularly inspect all cables and connections for signs of wear, damage, or corrosion. Ensure they are tight and secure.
- Temperature: Operate the battery within its specified operating temperature range (-10°C to 50°C). Avoid prolonged exposure to extreme heat or cold.
- Software Updates: If available, keep the battery management system firmware updated. Consult DATOUBOSS support for guidance.
- Storage: If storing the battery for an extended period, ensure it is charged to 40-60% capacity and stored in a cool, dry place.
8. Troubleshooting
This section provides basic troubleshooting steps for common issues. For more complex problems, contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not powering on | Air Switch is OFF; Push Button Switch not pressed; Loose connections; Battery deeply discharged. | Ensure Air Switch (15) is ON. Press Push Button Switch (14). Check all cable connections. If deeply discharged, connect to a compatible charger. |
| Alarm Indicator (1) is lit | Overcharge, overdischarge, overcurrent, or temperature fault detected by BMS. | Check LCD display for specific error codes or messages. Disconnect loads/chargers if necessary. Allow battery to cool down if overheating. If the issue persists, contact support. |
| No data on LCD display | Display off; Internal fault. | Ensure the battery is powered on. If the display remains blank, try resetting the battery using the Reset Switch (5). |
| Battery not charging/discharging | BMS protection activated; Inverter/charger issue; Loose connections. | Check for alarm indicators. Verify inverter/charger settings and functionality. Ensure all power connections are secure. |
9. User Tips
- Optimize Placement: Utilize the flexible installation (wall-mount or mobile with rollers) to place the battery in an easily accessible yet secure location, considering ventilation and temperature.
- Monitor Regularly: Take advantage of the color touch screen to regularly monitor voltage, current, and capacity. This helps in understanding your energy consumption patterns and battery health.
- Parallel Capacity: The battery supports parallel connection of up to 15 units. If expanding your system, ensure all units are compatible and follow the manufacturer's guidelines for parallel wiring.
- Communication Setup: For seamless integration with your inverter, ensure the correct communication protocol (RS232, RS485, or CAN) is selected and configured on both the battery and the inverter.
10. Warranty and Support
The DATOUBOSS LFP48-300-FSD battery comes with a 5-year guarantee that covers non-human-caused defects. For warranty claims, technical support, or any questions not covered in this manual, please contact DATOUBOSS customer service. Ensure you have your product model and purchase information ready when contacting support.
