1. Introduction
Thank you for choosing the MFUZOP 12V 50Ah LiFePO4 Lithium Iron Phosphate Battery. This battery is designed for superior energy storage performance, offering high capacity, safety, stability, and long-term durability. It is an ideal power solution for a wide range of applications including solar power systems, RVs, marine vehicles, outdoor camping, and off-grid home energy storage.
This manual provides essential information for the safe and efficient use, installation, and maintenance of your battery. Please read it thoroughly before operation and keep it for future reference.
Figure 1: MFUZOP 12V 50Ah LiFePO4 Battery in diverse applications.
2. Safety Information
Your safety is paramount. Please observe the following safety precautions:
- Always wear appropriate personal protective equipment (PPE) such as gloves and eye protection when handling batteries.
- Do not short-circuit the battery terminals. This can cause severe damage to the battery and pose a fire hazard.
- Do not expose the battery to fire, excessive heat, or direct sunlight.
- Do not immerse the battery in water or other liquids.
- Ensure proper ventilation when charging or discharging the battery.
- Keep the battery away from corrosive substances.
- Do not attempt to open, disassemble, or modify the battery. There are no user-serviceable parts inside.
- Use only chargers specifically designed for LiFePO4 batteries.
- In case of fire, use a Class D fire extinguisher. Water can exacerbate lithium battery fires.
The battery features a built-in 50A Battery Management System (BMS) for protection against overcharge, over-discharge, overcurrent, and short-circuit. It also includes temperature protection.
Figure 2: Built-in 50A BMS Protection Features.
Figure 3: Temperature Protection Range.
3. Product Overview
The MFUZOP 12V 50Ah LiFePO4 battery is engineered with A-grade LiFePO4 cells and advanced manufacturing technology to deliver reliable and efficient power. Its compact and lightweight design makes it a superior alternative to traditional lead-acid batteries.
Key Features:
- High Energy Density: Provides 640Wh of energy in a compact form factor.
- Long Cycle Life: Offers over 15,000 deep cycles, ensuring extended durability.
- Integrated BMS: Advanced 50A Battery Management System protects against common electrical faults.
- Expandable Capacity: Supports up to 4 parallel and 4 series connections (4S4P) for a maximum 48V (51.2V) 200Ah system, totaling 10.24kWh.
- Wide Operating Temperature: Designed to perform reliably across a broad temperature range.
- Lightweight Design: Weighs only 4.4 kg, significantly lighter than comparable lead-acid batteries.
Figure 4: Product Dimensions and Weight.
Figure 5: LiFePO4 vs. Lead-Acid Battery Comparison.
4. Specifications
| Feature | Specification |
|---|---|
| Brand | MFUZOP |
| Model | 12V50AH-1PC |
| Voltage | 12.0V |
| Battery Type | Lithium Iron Phosphate (LiFePO4) |
| Nominal Capacity | 50Ah |
| Energy | 640Wh |
| Built-in BMS | 50A |
| Cycle Life | 15,000+ cycles |
| Terminal Type | SAE Terminal |
| Compatible Vehicle Type | RV, Boat |
| Automotive Mounting Type | Universal Fit |
| Manufacturer Model Number | MF-12V |
| UPC | 754297151890 |
5. Setup and Installation
Before connecting the battery, ensure all connections are clean and secure. Always connect the positive (+) terminal to positive and the negative (-) terminal to negative.
Battery Expansion (Parallel and Series Connections):
The MFUZOP 12V 50Ah battery supports expansion for increased capacity and voltage. You can connect up to 4 batteries in parallel and up to 4 batteries in series (4S4P) to create a system of up to 16 batteries, achieving 48V (51.2V) 200Ah with a total energy storage of 10.24kWh.
Figure 6: Battery Expansion Configurations.
Parallel Connection:
To increase capacity while maintaining the same voltage, connect batteries in parallel. Connect all positive terminals together and all negative terminals together. Ensure all batteries have similar voltage levels before connecting in parallel.
Video 1: GOLDENMATE 12.8V LiFePO4 Battery Parallel Connection Method. This video demonstrates how to correctly connect LiFePO4 batteries in parallel to increase overall capacity.
Series Connection:
To increase the total voltage, connect batteries in series. Connect the positive terminal of one battery to the negative terminal of the next. Ensure all batteries have similar voltage levels before connecting in series.
Video 2: GOLDENMATE 12.8V LiFePO4 Battery Series Connection Method. This video demonstrates how to correctly connect LiFePO4 batteries in series to increase overall voltage.
6. Operating Instructions
Charging:
The MFUZOP LiFePO4 battery can be charged using various methods:
- Solar Power System: Connect to a solar panel and charge controller.
- Battery Charger: Use a dedicated LiFePO4 battery charger.
- Generator: Connect to a generator with a compatible LiFePO4 charger.
Always ensure the charging voltage and current are within the battery's specifications to prevent damage.
Figure 7: Various Charging Methods.
Discharging:
The battery provides a stable and efficient power output, capable of powering multiple household appliances simultaneously. Its 640Wh energy capacity allows for extended use of various devices.
- Grill (600W): Approximately 1 hour of use.
- Mini Refrigerator (300W): Approximately 2 hours of use.
- Coffee Maker (100W): Approximately 6.4 hours of use.
- Electric Fan (80W): Approximately 8 hours of use.
Figure 8: Power Output Examples and Estimated Run Times.
7. Maintenance and Storage
Proper maintenance and storage are crucial for maximizing the lifespan of your MFUZOP LiFePO4 battery.
- Regular Inspection: Periodically check the battery terminals for corrosion and ensure connections are tight.
- Cleaning: Keep the battery and charger in a clean, dry, and well-ventilated environment. Avoid contact with corrosive substances.
- Long-Term Storage: If the 12V Lithium Iron Phosphate battery is not used for an extended period, it is recommended to charge the battery pack to approximately 40% of its capacity.
- Recharge During Storage: Recharge the battery for 1-2 hours every three months using a compatible charger to prevent deep discharge and extend its lifespan.
- Environmental Conditions: Store the battery in a dry, well-ventilated area, away from fire and heat sources.
8. Troubleshooting
If you encounter issues with your MFUZOP LiFePO4 battery, consider the following general troubleshooting steps:
- No Power Output: Check all connections to ensure they are secure and properly connected (positive to positive, negative to negative). Verify that the battery is sufficiently charged.
- Charging Issues: Ensure your charger is compatible with LiFePO4 batteries and is functioning correctly. Check the charging cables for damage. Verify that the battery's temperature is within the acceptable charging range.
- BMS Protection Activation: If the battery suddenly stops working, the built-in BMS might have activated due to overcharge, over-discharge, overcurrent, or short-circuit. Disconnect the load/charger, wait a few minutes, and then attempt to reconnect. If the issue persists, consult a professional.
- Reduced Performance: Ensure the battery is fully charged. Check for any external factors affecting performance, such as extreme temperatures or excessive load.
For persistent issues or complex problems, please contact MFUZOP customer support.
9. Warranty and Support
Warranty:
The MFUZOP 12V 50Ah LiFePO4 Lithium Iron Phosphate Battery comes with a 6-month warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, neglect, improper installation, accidents, or unauthorized modifications.
Customer Support:
If you have any questions, concerns, or require technical assistance, please do not hesitate to contact MFUZOP customer support. Our team is dedicated to providing prompt and helpful service.
Please have your product model number (12V50AH-1PC) and proof of purchase ready when contacting support.