1. Introduction
This manual provides essential information for the safe and efficient use of your XZNY Compact 24V 100Ah LiFePO4 Battery. Please read it thoroughly before installation and operation to ensure optimal performance and longevity of your battery.
2. Product Features
- Low Temperature Protection: Features a built-in 100A Battery Management System (BMS) that cuts off charging at 32°F (0°C) and stops discharging at -8°F (-22°C) to prevent damage. High-temperature protection is also included.
- Compact Design: The battery is designed to be 30% smaller than standard 24V 100Ah batteries and 33% smaller than two 12V 100Ah batteries, reducing wiring complexity and balancing issues.
- Extended Lifespan: Utilizes A-grade LiFePO4 cells, offering over 5000 charge cycles and a lifespan of up to 10 years, ensuring high stability and safety.
- Excellent Expandability: Can be expanded by connecting up to 2 batteries in series (for up to 48V) and up to 5 batteries in parallel (for up to 500Ah), allowing for a battery system of up to 25.6KWh.
- Powerful BMS: The integrated 100A BMS supports a continuous charge and discharge current of 100A, with a peak discharge current of 300A for 5 seconds, and a maximum output power of 2560W.
- Wide Application: Suitable for various applications including 24V 70-100 lb trolling motors, solar systems, RVs/campers, overland/van setups, camping power supplies, ice fishing, fish finders, and houseboats.
3. Specifications
| Specification | Value |
|---|---|
| Nominal Voltage | 25.6V |
| Capacity | 100Ah |
| Item Weight | 41 pounds |
| Product Dimensions (L x W x H) | 13.59 x 7.48 x 9.65 inches |
| Max Continuous Charge Current | 100A |
| Max Continuous Discharge Current | 100A |
| Peak Discharge Current | 300A (for 5s) |
| Maximum Output Power | 2560W |
| Low Temperature Charge Cut-off | 32°F (0°C) |
| Low Temperature Discharge Cut-off | -8°F (-22°C) |
| Battery Cell Composition | Lithium Iron Phosphate (LiFePO4) |
| Terminal Type | M8 |
| Recommended Charger | 24V (29.2V) 20A LiFePO4 charger |
4. Safety Guidelines
Your XZNY LiFePO4 battery is equipped with a sophisticated Battery Management System (BMS) to ensure safe operation. However, adherence to the following guidelines is crucial:
- BMS Protections: The integrated BMS provides protection against over-charge, over-discharge, high temperature, low temperature, over-current, and short-circuit conditions.
- Avoid Short Circuits: Never short-circuit the battery terminals.
- Do Not Disassemble: Do not attempt to disassemble the battery. This can lead to damage and void the warranty.
- Temperature Limits: Do not store the battery above 140°F (60°C). The BMS will cut off charging at 32°F (0°C) and discharging at -8°F (-22°C).
- Battery Compatibility: Do not mix-wire this LiFePO4 battery with lead-acid, GEL, or AGM batteries.
- Proper Ventilation: Ensure adequate ventilation around the battery during operation and charging.
5. Setup and Installation
The compact design of the XZNY 24V 100Ah battery simplifies installation. Consider the battery's dimensions (13.59 x 7.48 x 9.65 inches) and weight (41 pounds) when choosing an installation location.
- Terminal Connections: Use the provided M8 terminals for secure connections. Ensure all connections are tight to prevent arcing and power loss.
- Mounting: Secure the battery in a stable position to prevent movement during operation, especially in mobile applications like RVs or boats.
- Wiring: Use appropriate gauge wiring for your application to handle the continuous and peak currents of the battery. Refer to electrical standards for proper wiring practices.
6. Operating Instructions
The XZNY Compact 24V 100Ah LiFePO4 battery is designed for a wide range of deep cycle applications.
- Initial Use: It is recommended to fully charge the battery before its first use.
- Discharge Depth: LiFePO4 batteries can be discharged to a much deeper depth than lead-acid batteries without significant impact on lifespan. The BMS will protect against over-discharge.
- Applications: This battery is ideal for powering 24V trolling motors, providing energy storage for solar systems, RVs, campers, and marine vessels.
7. Charging
Proper charging is essential for the lifespan of your LiFePO4 battery.
- Recommended Charger: Use a dedicated 24V (29.2V) 20A LiFePO4 charger.
- Charging Time: A 100A charger can fully charge the battery in approximately 1 hour. A 20A charger will take about 5 hours.
- Low Temperature Charging: The BMS will automatically cut off charging if the battery temperature drops to 32°F (0°C) or below to prevent cell damage. Ensure the battery is within the safe temperature range before charging.
8. Expandability (Series & Parallel Connection)
The XZNY Compact 24V 100Ah battery offers excellent expandability for higher voltage or greater capacity needs.
- Series Connection: Up to 2 identical batteries can be connected in series to achieve a higher voltage (e.g., two 24V batteries in series for a 48V system).
- Parallel Connection: Up to 5 identical batteries can be connected in parallel to increase the total capacity (e.g., five 100Ah batteries in parallel for a 500Ah system).
- Maximum System: A combination of series and parallel connections can create a system up to 48V and 500Ah, providing up to 25.6KWh of energy.
9. Maintenance
One of the key advantages of LiFePO4 batteries is their minimal maintenance requirements.
- Long Lifespan: With over 5000 cycles and a 10-year lifespan, regular deep maintenance is not typically required.
- Storage: If storing the battery for an extended period, ensure it is charged to approximately 50% State of Charge (SOC) and stored in a cool, dry place.
- Cleaning: Keep the battery terminals clean and free of corrosion.
10. Troubleshooting
If your battery appears unresponsive or won't charge, the BMS may have activated a protection mode. Follow these steps to attempt activation:
- Disconnect All Devices: Ensure the battery is disconnected from all loads and charging sources.
- Rest Period: Allow the battery to rest for at least 30 minutes. This may allow the BMS to reset and the voltage to recover to a normal level (e.g., >10V for a 12V battery, >18V for a 24V battery).
- Attempt Charging: Connect the battery to a compatible LiFePO4 charger. If the battery begins to charge, the issue may be resolved.
- Activation Charger (Method 1): Use a charger specifically designed with a lithium battery activation function. This type of charger can often 'wake up' a battery with a low voltage.
- Solar Controller (Method 2): On a sunny day, connect the battery to a 12V LiFePO4 solar charge controller (for 24V batteries, use a 24V controller). Charge for 3-10 seconds to attempt to wake up the BMS.
11. What's in the Box
Upon receiving your product, please verify that all the following items are included:
- XZNY Compact 24V 100Ah LiFePO4 Battery x 2
- XZNY Warranty Manual
- XZNY Product Manual and Start Guide
- M8 Terminals
12. Warranty and Support
XZNY is committed to providing high-quality products and customer satisfaction.
- 3-Year Replacement Warranty: If you encounter any quality issues with your battery within 3 years of purchase, XZNY will replace the battery.
- Post-Warranty Support: Should any problems arise after the 3-year warranty period, our technical team will offer alternative after-sales options and support.
- Contact Information: Refer to the XZNY Warranty Manual included in your package for detailed warranty terms and contact information for customer support.