1. Introduction
This manual provides essential information for the safe and efficient use of your DATOUBOSS 48V 100Ah LiFePO4 Battery. Please read it thoroughly before installation and operation. This battery is designed for deep cycle applications, offering a reliable and long-lasting power solution for various systems, including solar energy storage, RVs, marine applications, and off-grid setups.
2. Safety Information
Always prioritize safety when handling batteries. Failure to follow these instructions can result in serious injury or damage to the battery and connected equipment.
- Do not short-circuit the battery terminals.
- Do not expose the battery to fire or extreme heat.
- Do not immerse the battery in water or other liquids.
- Use only compatible chargers designed for LiFePO4 batteries.
- Ensure proper ventilation during charging and discharging.
- Wear appropriate personal protective equipment (PPE), such as gloves and eye protection, when handling the battery.
- Keep the battery out of reach of children.
- Do not attempt to open or disassemble the battery.
3. Product Overview and Features
The DATOUBOSS 48V 100Ah LiFePO4 battery is engineered for high performance and durability. It features advanced technology to ensure stable and safe power delivery.
Key Features:
- Premium Quality Cells: Constructed with automotive-grade Lithium Iron Phosphate (LiFePO4) cells and a robust ABS casing for enhanced energy density and stable performance.
- Integrated 100A BMS: Equipped with a sophisticated Battery Management System that provides automatic cell balancing and comprehensive protection against overcharge, over-discharge, overcurrent, overvoltage, and extreme temperatures (both high and low).
- Extended Lifespan: Offers over 10,000 deep cycles and an expected service life of 10 years, providing 5120Wh of usable energy. This makes it a long-term, environmentally friendly, and cost-effective alternative to traditional lead-acid batteries.
- Compact and Lightweight Design: Significantly lighter than lead-acid batteries, facilitating easier installation and transport. Its compact dimensions save valuable space.
- High Safety Standards: Designed with a robust, shock-resistant, and vibration-resistant casing, ensuring high safety for various outdoor and demanding applications.
Figure 3.1: Internal structure of the LiFePO4 battery with BMS.
Figure 3.2: Battery with integrated 100A BMS and protection features.
4. Specifications
| Parameter | Value |
|---|---|
| Model Number | 48V-B |
| Rated Voltage | 48 Volts |
| Rated Capacity | 100 Ah |
| Usable Energy | 5120 Wh |
| BMS Continuous Charge Current | 80 A |
| BMS Continuous Discharge Current | 100 A |
| Peak Discharge Current | 500 A (duration less than 3 seconds) |
| Cycle Life | Up to 15,000 cycles |
| Expected Lifespan | 10 years |
| Dimensions (L x W x H) | 53 cm x 27 cm x 22 cm (20.9 in x 10.6 in x 8.7 in) |
| Weight | 35 kg (77.16 lbs) |
| Charging Temperature Range | 0°C to 45°C (32°F to 113°F) |
| Discharging Temperature Range | -20°C to 65°C (-4°F to 150°F) |
Figure 4.1: Battery dimensions and weight.
Figure 4.2: Operating temperature range.
5. Setup
5.1 Unpacking and Inspection
- Carefully remove the battery from its packaging.
- Inspect the battery for any visible damage during shipping. If damage is found, contact your supplier immediately.
- Verify that all components listed in the packing list are present.
5.2 Connection
The DATOUBOSS 48V 100Ah LiFePO4 battery supports both series and parallel connections for capacity expansion. Ensure all connections are secure and correctly polarized.
- Parallel Connection: For increasing capacity (Ah) while maintaining the same voltage (V). Connect positive terminals together and negative terminals together. Ensure all batteries are at a similar state of charge before connecting in parallel.
- Series Connection: For increasing voltage (V). Connect the positive terminal of one battery to the negative terminal of the next. Consult a qualified electrician for series connections to ensure proper balancing and safety.
- Terminal Type: The battery uses M8 terminals. Ensure appropriate connectors are used.
Figure 5.1: Example of a solar off-grid system with expandable battery capacity (up to 4P).
5.3 Initial Charging
Before first use, it is recommended to fully charge the battery using a compatible LiFePO4 charger. This ensures the battery cells are balanced and ready for optimal performance.
6. Operating Instructions
6.1 Charging
- Use a charger specifically designed for 48V LiFePO4 batteries.
- Ensure the charging voltage and current are within the battery's specifications (refer to Section 4).
- Charge the battery within the recommended temperature range of 0°C to 45°C (32°F to 113°F). The BMS will prevent charging outside this range.
6.2 Discharging
- The battery can be discharged continuously up to 100A. Peak discharge current is 500A for less than 3 seconds.
- Operate the battery within the recommended discharge temperature range of -20°C to 65°C (-4°F to 150°F). The BMS will protect the battery from extreme temperatures.
- Avoid consistently discharging the battery to its absolute minimum voltage to maximize lifespan, although the BMS provides over-discharge protection.
7. Maintenance
The DATOUBOSS LiFePO4 battery requires minimal maintenance due to its robust design and integrated BMS. However, following these guidelines will ensure optimal performance and longevity:
- Regular Inspection: Periodically check the battery terminals for corrosion or loose connections. Clean terminals if necessary.
- Cleaning: Keep the battery casing clean and free of dust and debris. Use a dry cloth for cleaning.
- Storage: If storing the battery for an extended period, ensure it is charged to approximately 50-70% of its capacity. Store in a cool, dry place away from direct sunlight and extreme temperatures. Recharge every 3-6 months to prevent deep discharge.
- Avoid Physical Damage: Protect the battery from impacts and vibrations.
8. Troubleshooting
If you encounter issues with your DATOUBOSS LiFePO4 battery, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging | Charger not connected, charger fault, BMS protection triggered (over-temperature, under-temperature, over-voltage) | Check charger connection and functionality. Ensure ambient temperature is within charging range. Disconnect and reconnect charger to reset BMS. |
| No power output | Battery discharged, BMS protection triggered (over-discharge, overcurrent, short circuit), loose connections | Charge the battery. Check for short circuits or excessive load. Inspect all cable connections. Allow battery to rest if BMS has triggered over-discharge protection. |
| Reduced capacity or runtime | Battery not fully charged, aging, extreme operating temperatures | Ensure full charge cycles. Verify operating temperatures are within optimal range. If battery is very old, capacity degradation is normal. |
| Battery is hot during operation | Excessive load, poor ventilation, high ambient temperature | Reduce load. Ensure adequate airflow around the battery. Operate within recommended temperature limits. The BMS will shut down if temperature limits are exceeded. |
If the problem persists after attempting these solutions, please contact DATOUBOSS customer support.
9. Applications
The DATOUBOSS 48V 100Ah LiFePO4 battery is highly versatile and suitable for a wide range of applications requiring reliable deep cycle power:
- Off-Grid Solar Systems: Ideal for storing energy generated by solar panels for residential or commercial use.
- Recreational Vehicles (RVs) and Campers: Provides stable power for onboard appliances and electronics during travel and camping.
- Marine Applications: Suitable for boats, electric outboard motors, trolling motors, and fishfinders.
- Home Energy Storage: Can be integrated into home backup power systems.
- Outdoor Activities: Powers equipment for outdoor live streaming, remote work, and other portable power needs.
- Golf Carts: An efficient and long-lasting power source for electric golf carts.
Figure 9.1: Diverse applications of the LiFePO4 battery.
10. Warranty and Support
10.1 Warranty Information
The DATOUBOSS 48V 100Ah LiFePO4 Battery comes with a 3-year manufacturer's warranty. This warranty covers defects in materials and workmanship under normal use and service conditions. Please retain your proof of purchase for warranty claims.
10.2 Customer Support
For technical assistance, warranty claims, or any questions regarding your DATOUBOSS product, please contact our customer support team. Refer to the contact information provided with your purchase or visit the official DATOUBOSS website.
