1. Introduction
This manual provides essential information for the safe and efficient use of your Yeagulch 24V 100Ah LiFePO4 Lithium Battery. This deep cycle battery is designed for a wide range of applications including solar off-grid systems, home backup energy storage, RVs, marine applications, and fishing. It delivers 2.56kWh of energy with a 100A Battery Management System (BMS) for enhanced performance and protection.
2. Safety Information
Please read and understand all safety instructions before installing or operating the battery. Failure to follow these instructions may result in serious injury, property damage, or voiding the warranty.
- DO NOT use this LiFePO4 battery as a car battery, starting battery, or golf cart battery.
- DO NOT short circuit, reverse connect, bump, or disassemble the battery.
- DO NOT heat or burn the battery.
- DO NOT immerse the battery in any liquid.
- Always use a dedicated lithium iron phosphate charger for charging.
- Store the battery in a clean, dry, and well-ventilated place.
- The battery features superior thermal stability for safe, non-flammable, and explosion-proof performance, but proper handling is still crucial.
- Keep out of reach of children.
3. Product Overview
3.1 Key Features
- High Energy Density: 25.6V 100Ah capacity, delivering 2.56kWh of power.
- Advanced BMS: Integrated 100A Battery Management System provides multiple layers of protection including low/high temperature, overcharge, over-discharge, over-current, and short circuit.
- Long Cycle Life: Offers 4,000+ cycles at 100% Depth of Discharge (DOD) and up to 15,000 cycles at 60% DOD.
- Extended Lifespan: Designed for a lifespan of 10+ years, significantly longer than traditional lead-acid batteries.
- Grade A Cells: Utilizes premium LiFePO4 battery cells for reliable and consistent performance.
- Wide Temperature Range: Supports normal operation in extreme temperatures.
3.2 Components
- Yeagulch 24V 100Ah LiFePO4 Battery Unit
- M8-16mm Battery Terminals
4. Specifications
| Attribute | Value |
|---|---|
| Brand Name | YEAGULCH |
| Model Number | 24V 100A |
| Battery/Cell Classification | Lithium Iron Phosphate, LiFePO4 |
| Nominal Voltage | 25.6V |
| Capacity | 100Ah |
| Energy | 2560Wh (2.56kWh) |
| BMS | 100A |
| Cycle Life (100% DOD) | 4,000+ cycles |
| Cycle Life (60% DOD) | 15,000 cycles |
| Expected Lifespan | 10+ years |
| Weight | 41.67 lbs |
| Dimensions (L x W x H) | 20.08" x 8.07" x 8.46" (with handle: 21.06" L) |
| Terminal Type | M8-16mm |
| Discharging Temperature Range | -4°F (-20°C) ~ 158°F (70°C) |
| Charging Temperature Range | 32°F (0°C) ~ 149°F (65°C) |
| Certification | CE, UL |
5. Setup
Before connecting the battery, ensure all components are present and undamaged.
- Inspection: Visually inspect the battery for any physical damage.
- Terminal Connection: Connect the battery to your system (solar inverter, RV power system, etc.) using appropriate M8-16mm terminals. Ensure connections are tight and secure to prevent arcing or poor performance. Always connect positive to positive and negative to negative.
- Charging: For initial use, it is recommended to fully charge the battery using a compatible LiFePO4 charger.
- System Integration: Integrate the battery into your specific application (e.g., solar charge controller, inverter). Refer to your system's manual for specific wiring diagrams and compatibility.
Important: If connecting multiple batteries in series or parallel, consult a qualified electrician or refer to specific wiring diagrams for multi-battery setups to ensure correct voltage and capacity configuration and to avoid damage.
6. Operating Instructions
The Yeagulch LiFePO4 battery is designed for deep cycle applications, providing stable and reliable power.
- Charging: Charge the battery using a LiFePO4 compatible charger within the recommended charging temperature range of 32°F (0°C) to 149°F (65°C). The integrated BMS will manage overcharge protection.
- Discharging: The battery can be discharged within the temperature range of -4°F (-20°C) to 158°F (70°C). The BMS provides protection against over-discharge, over-current, and short circuits.
- Low Temperature Protection: The battery features intelligent low-temperature protection. Charging will be cut off below 0°C/32°F and will recover above 5°C/41°F. Discharging will be cut off below -20°C/-4°F.
- Applications: Ideal for RVs, camping setups, trolling motors, home backup power, and solar energy storage systems.
7. Maintenance
Proper maintenance ensures the longevity and optimal performance of your LiFePO4 battery.
- Regular Charging/Discharging: If the battery is not in use for an extended period, it is recommended to charge and discharge it at least once every six months to maintain battery health and prevent damage from disuse.
- Storage: Store the battery in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and corrosive materials.
- Cleaning: Keep the battery terminals clean and free from corrosion. Use a dry cloth to wipe down the battery casing.
- Avoid Extreme Conditions: While the battery is designed for wide temperature ranges, prolonged exposure to extreme heat or cold outside the specified operating temperatures can affect performance and lifespan.
8. Troubleshooting
The integrated BMS provides robust protection against common battery issues. If you encounter problems, consider the following:
- No Power Output:
- Check all cable connections to ensure they are secure and correctly polarized (positive to positive, negative to negative).
- Verify that the battery is sufficiently charged.
- The BMS might have activated a protection mode (e.g., over-discharge, over-current, low temperature). Allow the battery to warm up if in cold conditions, or attempt a charge cycle to reset the BMS.
- Charging Issues:
- Ensure you are using a compatible LiFePO4 charger.
- Check the charging temperature. Charging is disabled below 0°C/32°F.
- Verify the charger is functioning correctly.
- Unusual Behavior: If the battery exhibits any unusual behavior (e.g., excessive heat, swelling, strange odors), immediately disconnect it from all loads and charging sources and contact customer support.
9. User Tips
- Multi-Battery Setups: For applications requiring higher voltage or capacity, multiple batteries can be connected. Always consult a professional or detailed wiring diagrams to ensure proper series or parallel connections and system balancing.
- Measurement Accuracy: Be aware that voltage and current measurements may deviate by 1% to 5% depending on various temperature/humidity measurement methods and instruments. Use calibrated equipment for precise readings.
10. Warranty and Support
For any questions, technical assistance, or warranty claims regarding your Yeagulch LiFePO4 battery, please contact the seller or manufacturer directly. Provide your product model number (24V 100A) and any relevant purchase information when seeking support.
