1. Introduction
This manual provides essential information for the safe and efficient use of your MFUZOP 12V LiFePO4 Rechargeable Battery. These batteries are designed for various applications including RVs, marine boats, home energy storage, solar power systems, and off-grid setups. Please read this guide thoroughly before operating the battery.
2. Important Safety Instructions
Please read through all the labels on the battery and this user guide before the first use.
- When connecting batteries in series or parallel, read all the precautions about how to connect first, or you may damage the batteries.
- Keep the battery away from rain, splashes, and any wet locations.
- DO NOT short circuit the battery.
- DO NOT reverse polarity connection.
- DO NOT expose the battery to fire, heat sources, or direct sunlight.
- DO NOT dismantle or modify the battery yourself.
- DO NOT drop, crush, shake, strike, or penetrate the battery.
- Please use the specified charger to charge batteries.
- Our batteries are assembled using waterproof glue. If you want to disassemble the batteries yourself, please ask the customer service team for directions on how to disassemble the batteries. But keep in mind that once the battery is disassembled, it cannot be restored to its original state of being.
3. Specifications
The MFUZOP LiFePO4 batteries come in various capacities. Below are the detailed specifications for each model:
| Attribute | 12V100Ah Model | 12V200Ah Model | 12V300Ah Model |
|---|---|---|---|
| Nominal Capacity | 100Ah (1280Wh) | 200Ah (2560Wh) | 300Ah (3840Wh) |
| Voltage | 12V | ||
| Charging Voltage | 14.4 ± 0.2V | ||
| Max Charge Current | 50A | 100A | 100A |
| Rated Discharge Current | 100A | 200A | 200A |
| Maximum Discharge Current | 120A | 240A | 240A |
| Weight | 10.28kg | 17.55kg | 26.58kg |
| Charging Temperature | 32°F ~ 113°F (0°C ~ 45°C) | ||
| Discharge Temperature | 14°F ~ 140°F (-10°C ~ 60°C) | ||
| Low Temperature Protection | Charging: 14°F ~ 32°F (-5°C ± 5°C) Discharging: -13°F ~ 5°F (-20°C ± 5°C) | ||
| High Temperature Protection | Charging: 140°F ~ 158°F (65°C ± 5°C) Discharging: 158°F ~ 176°F (75°C ± 5°C) | ||
| Storage Temperature Range | -4°F ~ 113°F (-20°C ~ 45°C) for 1-3 months -4°F ~ 68°F (-20°C ~ 20°C) for 1 year | ||
| Discharge Depth | ≥80% | ||
| Series and Parallel Connection | 4P4S (Max 4 in series, Max 4 in parallel) | ||
| Battery Management | BMS (Built-in) | ||
| Shell Material | ABS | ||
| Terminal Material | Brass | ||
| Terminal Conductivity | ≥98% | ||
| Certifications | CE, FCC, RoHS, pse, weee | ||
| Application | RV, Marine Boat, Home Energy, Solar Power Storage, Off-Grid Solar Power System | ||
Product Dimensions:
- 12V 100Ah: L 33cm x W 17cm x H 21.5cm (13in x 6.69in x 8.46in)
- 12V 200Ah: L 52.6cm x W 23.5cm x H 22cm (20.7in x 9.3in x 9in)
- 12V 300Ah: L 50cm x W 25cm x H 22cm (20in x 10in x 9in)
Terminal Specifications: M8 Terminal Bolts
Image: Dimensions of 12V 100Ah battery with M8 terminal bolts.
Image: Dimensions of 12V 200Ah battery with M8 terminal bolts.
Image: Dimensions of 12V 300Ah battery with M8 terminal bolts.
4. Setup & Installation
4.1. Connecting Batteries
Before connecting batteries in series or parallel, ensure all batteries meet the following criteria:
- Batteries have the Same Voltage (V), Same Capacity (Ah), and are the Same Type (Lithium iron phosphate (LiFePO4)).
- As the built-in Battery Management System (BMS) may vary between brands, we advise you to choose batteries from the Same Brand for connection.
For optimal performance, fully charge all ready-to-connect batteries.
All battery interconnect cables should be of the same wire gauge (AWG) and length, and come from the same brand. Otherwise, the impedance will be inconsistent, resulting in unbalanced charge and discharge performance.
Connect your batteries one by one in series (up to 4 batteries) or in parallel (up to 4 batteries). Secure all cable connections between the cable lugs and terminals.
4.2. Cable Sizing
When determining the cable size (AWG) for your system, consider the size of the electrical load you want to power and the distance between the electrical load and your batteries. Refer to the tables below for guidance:
Cables for Controller to Battery:
| Solar Input Current | 5A | 10A | 20A | 30A | 40A | 60A |
|---|---|---|---|---|---|---|
| Wire Cross Section Area (mm²) | 1.5 | 2.5 | 5 | 8 | 10 | 12 |
| Wire AWG | 15 | 13 | 10 | 8 | 7 | 6 |
Cables for Inverter to Battery:
| Cable Size | Copper Conductor Diameter (inches) | Maximum Amperage |
|---|---|---|
| 6 AWG | 0.20 | 115 |
| 4 AWG | 0.23 | 150 |
| 2 AWG | 0.30 | 205 |
| 1/0 AWG | 0.37 | 285 |
| 2/0 AWG | 0.43 | 325 |
| 4/0 AWG | 0.56 | 440 |
4.3. Unboxing and Physical Overview
Watch this video for an unboxing and physical overview of the MFUZOP LiFePO4 battery, including how to measure its dimensions.
Video: Unboxing and measuring the MFUZOP LiFePO4 battery.
Image: User-friendly design showing a sturdy strap for convenient carrying.
5. Operating Instructions
5.1. Charging the Battery
Your MFUZOP LiFePO4 battery can be recharged using three primary methods:
- Dedicated LiFePO4 Battery Charger: A standard charger can fully recharge the battery in approximately 7.5 hours.
- Solar Panels: Using solar panels (e.g., 2900W system), the battery can be recharged in about 4.5 hours. Actual charging time may vary based on solar lighting conditions.
- Generator: Add a 40A DC to DC charger to your generator setup for a full recharge in approximately 7.5 hours.
Image: Illustration of three methods for recharging the battery: dedicated charger, solar panels, and generator.
5.2. Power Output and Applications
The MFUZOP LiFePO4 batteries provide powerful energy output suitable for various applications. For example, a 300Ah (3840Wh) battery can support appliances like refrigerators, air conditioners, coffee makers, washers, TVs, and lights.
These batteries are ideal for:
- RV and Camper Van power
- Marine and Boating applications
- Off-Grid power systems
- Solar and Wind power storage
- Home energy backup
Note: These batteries are not available for starting power in vehicles.
Image: The battery providing power for various home appliances, demonstrating its versatility.
Image: Visual representation of the battery's diverse applications in RVs, marine settings, off-grid systems, and solar power.
5.3. Operating Temperature Range
The battery is designed to operate effectively across a wide temperature range, from -4°F (low temperature) to 150°F (high temperature), ensuring reliable performance in various environmental conditions.
Image: Graph illustrating the effective operating temperature range of the battery.
6. Maintenance
6.1. Storage
To store your battery, keep it at least 30%-50% charged. We recommend that you charge the battery every 6 months when not in use to prevent over-discharge.
6.2. General Care
- Keep the battery away from rain, splashes, and any wet locations.
- Avoid exposing the battery to fire, heat sources, or direct sunlight.
- Do not drop, crush, shake, strike, or penetrate the battery.
7. Troubleshooting
Your MFUZOP LiFePO4 battery is equipped with a Smart Built-in Battery Management System (BMS) to ensure safe operation and protect against various issues. The BMS provides multiple security protections:
- Overvoltage Protection: Prevents damage from excessive voltage during charging.
- Overcurrent Protection: Safeguards against currents exceeding safe limits.
- Overload Protection: Protects the battery from drawing too much power.
- Short Circuit Protection: Automatically disconnects the battery in case of a short circuit.
- Over-discharge Protection: Prevents the battery from discharging below a safe voltage level.
- Temperature Protection: Monitors and manages battery temperature to prevent overheating or operation in extreme cold.
- Overcharge Protection: Stops charging once the battery reaches its full capacity to prevent overcharging.
- Reverse Charge Prevention: Protects against incorrect charging polarity.
If the battery is fully discharged continuously, it cannot be recharged immediately at half capacity, which will trigger high-temperature charging protection. Allow the battery to cool down before attempting to recharge.
Image: Diagram illustrating the various built-in BMS protection features.
8. User Tips
Based on general user feedback for similar LiFePO4 batteries, here are some tips:
- Always ensure proper ventilation around the battery, especially during charging and heavy discharge.
- For long-term storage, disconnect the battery from all loads and chargers.
- Regularly check terminal connections for tightness to prevent resistance and heat buildup.
9. Warranty & Support
9.1. Warranty
MFUZOP LiFePO4 batteries are covered by a 3-year limited warranty from the original purchase date. If you encounter any issues during usage, feel free to contact us.
We only provide after-sales service for products sold by us or retailers and distributors authorized by us. If you have purchased your unit through other channels, please contact your seller for more information about the return and warranty.
9.2. Support Information
- Email: Manager@xdatou.com
- Website: www.xdatou.com
- Phone/Wechat/Whatsapp/LINE: +8613783531376
A detailed user manual in PDF format is also available for download from the seller's product page or by contacting support.