1. Introduction
This manual provides essential information for the safe and efficient use of your Power Queen 25.6V 200Ah LiFePO4 Deep Cycle Battery. Please read this manual thoroughly before installation and operation to ensure optimal performance and longevity of your battery.
Figure 1: Power Queen 25.6V 200Ah LiFePO4 Deep Cycle Battery.
2. Safety Information
Always observe the following safety precautions when handling and operating the battery:
- Wear appropriate personal protective equipment, including gloves and eye protection.
- Do not short-circuit the battery terminals.
- Do not expose the battery to fire or extreme heat.
- Do not immerse the battery in water. The battery is IP65 rated for water and dust resistance, but immersion is not recommended.
- Ensure proper ventilation during charging and discharging.
- This battery is designed for energy storage, not for starting engines or golf carts.
- If OT terminals are attached directly with screws and their thickness is less than 2mm, add gaskets to ensure secure attachment and prevent loosening or overheating. The same precaution applies when using clamps.
3. Product Overview
The Power Queen 25.6V 200Ah LiFePO4 Battery is a high-capacity, deep-cycle lithium battery designed for various applications including RVs, campers, trailers, and solar off-grid systems. It features a built-in Battery Management System (BMS) and automotive-grade cells for enhanced safety and performance.
Key Features:
- High Capacity: 5.12kWh usable energy, equivalent to multiple 12V lead-acid batteries.
- Advanced BMS: Integrated 200A BMS protects against overcharge, over-discharge, over-current, short circuit, and high temperature.
- Automotive Grade Cells: Utilizes high-energy-density LiFePO4 cells for reliability and long cycle life (4,000 to 15,000 cycles).
- Space-Saving Design: Offers significant space and weight reduction compared to traditional lead-acid batteries.
- Durable Construction: IP65 rated for water and dust resistance.
Figure 2: Integrated 200A BMS with multi-protection features including over-charge, over-discharge, over-current, high-temp, and short circuit protection.
Figure 3: Comparison highlighting the space, weight, and cycle life advantages of the Power Queen 25.6V 200Ah LiFePO4 battery over four 12V 200Ah Group 6D AGM batteries.
Figure 4: Product dimensions of the Power Queen 25.6V 200Ah LiFePO4 battery (20.47 x 10.55 x 8.66 inches) and its weight (82.67 lbs).
General Product Overview Video
Video 1: A general overview of Power Queen LiFePO4 batteries, highlighting features like lightweight design, Grade A cells, IP65 rating, and robust BMS. Note: The battery shown in this video is a 12.8V 100Ah model, but the general features apply to the 25.6V 200Ah model.
4. What's in the Box
Upon opening your Power Queen 25.6V 200Ah LiFePO4 Battery package, you should find the following items:
- 1x Power Queen 24V 200Ah Lithium Battery
- 2x M8 Terminal Bolts
- 1x Product Manual (this document)
Unboxing Video
Video 2: An unboxing video demonstrating the contents typically included with a Power Queen LiFePO4 battery. Note: The battery shown in this video is a 12.8V 100Ah model, but the packaging and accessory items are generally consistent.
5. Setup and Installation
Proper setup is crucial for the performance and safety of your battery system. Ensure all connections are secure and correctly polarized.
Connecting the Battery:
- Connect the positive (+) terminal of the battery to the positive (+) terminal of your load/charger.
- Connect the negative (-) terminal of the battery to the negative (-) terminal of your load/charger.
- Use appropriate gauge cables for your application to prevent overheating and ensure efficient power transfer.
- Ensure all connections are tight and free from corrosion.
Figure 5: Illustration of proper wiring for a Power Queen LiFePO4 battery system, emphasizing reduced wire cost and heat generation compared to multiple lead-acid batteries.
6. Operating Instructions
Your Power Queen LiFePO4 battery is designed for deep cycle applications, providing reliable power for extended periods.
Charging Methods:
The battery can be charged using various methods:
- Solar Panel: Connect to an MPPT solar charge controller (recommended ≥800W for full charge within 2 days).
- LiFePO4 Charger: Use a dedicated 29.2V 20A LiFePO4 charger (approx. 5 hours for full charge).
- Alternator + DC-DC Charger: For vehicle charging.
- Generator + AC-DC Charger: For charging from a generator.
Figure 6: Visual representation of various charging methods for Power Queen LiFePO4 batteries, including solar, dedicated LiFePO4 chargers, alternator with DC-DC charger, and generator with AC-DC charger.
Capacity Expansion:
The Power Queen 25.6V 200Ah Lithium Battery supports up to 2 batteries in series and 4 in parallel (Max 2S4P) to achieve a 51.2V 800Ah battery system, providing up to 40.96kWh of energy. This allows for extensive use in solar homes, emergency backup power systems, security systems, off-grid applications, RVs, and sailboats.
Figure 7: Diagram illustrating a large off-grid system utilizing multiple Power Queen batteries (up to 8 batteries in a 4P2S configuration for 40.96 kWh max energy).
Solar Off-Grid Application Video
Video 3: This video demonstrates the Power Queen 24V 200Ah LiFePO4 battery in a solar off-grid application, showcasing its use for reliable power in various settings.
Battery System Overview Video
Video 4: An overview of a Power Queen battery system, demonstrating how multiple batteries can be integrated for increased power and capacity. Note: The batteries shown in this video are 12.8V 100Ah models, but the system principles apply to the 25.6V 200Ah model.
7. Maintenance
Power Queen LiFePO4 batteries require minimal maintenance. Follow these guidelines to ensure optimal performance:
- Regularly inspect battery terminals for cleanliness and tightness.
- Keep the battery clean and dry.
- Avoid exposing the battery to extreme temperatures outside its operating range.
- Store the battery in a cool, dry place if not in use for extended periods, ideally at 50% state of charge.
8. Troubleshooting
If you encounter issues with your Power Queen battery, consider the following common troubleshooting steps:
- Battery Not Charging: Check all connections, ensure the charger is compatible with LiFePO4 batteries and operating correctly. Verify the battery's internal BMS has not triggered a protection mode (e.g., due to over-discharge).
- Low Voltage Output: Confirm the battery is adequately charged. Check for loose or corroded connections. Ensure the load is within the battery's maximum continuous discharge current.
- Battery Overheating: Disconnect the load and charger immediately. Allow the battery to cool down. Check for short circuits or excessive load. The internal BMS will typically shut down the battery if temperatures exceed safe limits.
- System Not Powering On: Verify the battery is connected correctly and fully charged. Check all fuses and circuit breakers in your system.
For persistent issues or complex problems, please contact Power Queen customer support.
9. Specifications
| Feature | Specification |
|---|---|
| Brand | Power Queen |
| Model | 24V200Ah |
| Voltage | 25.6V |
| Capacity | 200Ah (5.12kWh) |
| Battery Type | LiFePO4 (Lithium Iron Phosphate) |
| BMS | Built-in 200A |
| Cycle Life | 4,000 to 15,000 cycles |
| Dimensions (L x W x H) | 20.4 x 10.5 x 8.6 inches |
| Weight | 79 pounds |
| Max. Series Connection | 2 (for 51.2V system) |
| Max. Parallel Connection | 4 (for 800Ah system) |
| Max. System Capacity | 40.96kWh (2S4P configuration) |
| Water/Dust Resistance | IP65 |
10. Warranty and Support
Power Queen provides a warranty for its products. Please refer to the official Power Queen website or your purchase documentation for detailed warranty terms and conditions.
Customer Support:
For technical assistance, troubleshooting, or warranty claims, please contact Power Queen customer support through their official channels:
- Website: www.ipowerqueen.com
- Email: service@ipowerqueen.com