1. Introduction
The DC HOUSE 48V 50Ah LiFePO4 lithium battery is designed for superior energy density and stable performance, offering a long cycle life of over 15,000 cycles. This battery is a lightweight and compact alternative to traditional lead-acid batteries, weighing only 26.5 kg (58 lbs) and measuring 437*333*125mm (17*13*5 inches). Its design makes it an ideal choice for various applications, including golf carts, RVs, trolling motors, solar systems, and off-grid power solutions.
Equipped with an advanced Battery Management System (BMS), the DC HOUSE LiFePO4 battery provides comprehensive protection against high temperatures, low temperatures, short circuits, overcurrent, and overloads. This robust protection ensures exceptional thermal and chemical stability, eliminating the need for regular maintenance and saving time and costs.
The battery features a stackable design and easy connectivity, allowing for capacity expansion through parallel connections without limiting the number of batteries. Its sheet metal housing enhances safety and heat resistance, making it a reliable power source for both indoor and outdoor applications.
Image: Comparison of DC HOUSE 48V 50Ah LiFePO4 Battery with a traditional 48V 50Ah Lead-Acid Battery, highlighting advantages in cycle life, weight, and overall lifespan.
2. Setup and Installation
2.1 Unpacking
Carefully remove the battery from its packaging. Inspect the battery for any visible damage during transit. Ensure all included components, such as the battery itself, are present.
2.2 Physical Dimensions and Weight
The DC HOUSE 48V 50Ah LiFePO4 battery measures approximately 437mm (17.21 inches) in length, 333mm (13 inches) in width, and 125mm (4.92 inches) in height. It weighs 26.5 kg (58.42 lbs). These compact dimensions and lighter weight facilitate easier installation compared to heavier lead-acid alternatives.
Image: Visual representation of the DC HOUSE 48V 50Ah LiFePO4 Battery's compact size and the M8 screw terminal dimensions.
2.3 Terminal Connections
The battery is equipped with M8 screw terminals for secure connections. Ensure all connections are tight and properly insulated to prevent short circuits. Use appropriate tools and follow safety guidelines when connecting the battery to your system.
2.4 Capacity Expansion (Parallel Connection)
For increased capacity, multiple DC HOUSE 48V 50Ah LiFePO4 batteries can be connected in parallel. The design allows for easy stacking and connection, providing a space-efficient solution. When connecting in parallel, ensure all batteries are at a similar state of charge before making connections to prevent current imbalances. There is no limit to the number of batteries that can be connected in parallel for capacity expansion.
Image: Illustration demonstrating the 50% space savings achieved by using a single DC HOUSE 48V 50Ah LiFePO4 battery compared to four 12V 50Ah lead-acid batteries.
3. Operation
3.1 Charging Methods
The DC HOUSE 48V 50Ah LiFePO4 battery can be charged using various methods:
- 48V 18A Charger: Achieves a full charge in approximately 3 hours.
- 800W Solar Panels: Achieves a full charge in approximately 4 hours under optimal sunlight conditions.
- Alternator: Achieves a full charge in approximately 3 hours.
Image: Diagram illustrating the three primary charging methods for the DC HOUSE LiFePO4 battery, including estimated charging times.
3.2 Operating Temperature Range
The battery is designed to operate within specific temperature ranges to ensure optimal performance and longevity:
- Charging Temperature: 0°C to 55°C (32°F to 131°F)
- Discharging Temperature: -20°C to 55°C (-4°F to 131°F)
The battery exhibits excellent low-temperature performance, capable of discharging at -4°F without damage. It also features high-temperature protection at 100°C.
Image: Visual representation of the battery's ability to discharge effectively at low temperatures, specifically -4°F.
3.3 Battery Management System (BMS) Protection
The integrated BMS provides critical protection features:
- Overcharge Protection: Prevents damage from excessive charging voltage.
- Over-Discharge Protection: Protects against deep discharge, extending battery life.
- Short Circuit Protection: Automatically disconnects in case of a short circuit.
- Overcurrent Protection: Safeguards against excessive current draw.
- High Temperature Protection: Monitors and protects the battery from overheating.
Image: Diagram illustrating the various protection mechanisms provided by the advanced Battery Management System (BMS).
3.4 Diverse Applications
This 48V 50Ah LiFePO4 battery is versatile and suitable for a wide range of applications:
- Golf Carts
- Lawn Mowers
- RVs and Marine Vessels
- Trolling Motors
- Solar Energy Systems
- Off-Grid Power Systems
Image: Examples of various applications where the DC HOUSE LiFePO4 battery can be effectively utilized.
Image: Depiction of the battery providing 5.12KWH of extended power, sufficient for various RV appliances like air conditioners, refrigerators, and laptops.
4. Maintenance
One of the key advantages of the DC HOUSE LiFePO4 battery is its minimal maintenance requirement. Thanks to the advanced Battery Management System (BMS) and the inherent stability of LiFePO4 chemistry, regular maintenance such as watering or equalization charges, common with lead-acid batteries, is not necessary.
4.1 General Care
- Keep the battery terminals clean and free from corrosion.
- Ensure proper ventilation around the battery, especially during charging and discharging.
- Avoid exposing the battery to extreme physical shock or impact.
4.2 Storage
If storing the battery for an extended period, ensure it is charged to approximately 50-70% of its capacity. Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures. Periodically check the charge level during long-term storage and recharge if necessary to prevent deep discharge.
5. Troubleshooting
If you encounter issues with your DC HOUSE LiFePO4 battery, consider the following common troubleshooting steps:
5.1 No Power Output
- Check Connections: Ensure all battery terminals and system connections are secure and free from corrosion. Loose connections can prevent power flow.
- Check Charge Level: Verify that the battery has sufficient charge. If the battery is deeply discharged, the BMS may have activated protection mode. Attempt to charge the battery with a compatible charger.
- BMS Protection: The BMS may have activated due to overcharge, over-discharge, overcurrent, short circuit, or temperature extremes. Allow the battery to rest, or address the condition that triggered the protection (e.g., reduce load, allow temperature to normalize).
5.2 Battery Not Charging
- Charger Compatibility: Ensure you are using a charger compatible with LiFePO4 batteries and the correct voltage (48V).
- Charger Connection: Verify the charger is properly connected to the battery and a power source.
- Temperature: Charging is restricted below 0°C (32°F). Ensure the battery is within the acceptable charging temperature range.
- BMS Protection: The BMS may prevent charging if an overvoltage or over-temperature condition is detected.
5.3 Reduced Performance/Capacity
- Age and Cycles: While LiFePO4 batteries have a long lifespan, capacity will gradually decrease after many thousands of cycles.
- Operating Conditions: Extreme temperatures (especially very cold) can temporarily reduce available capacity.
- Parallel Connections: If multiple batteries are in parallel, ensure all connections are sound and that no single battery is underperforming.
If these steps do not resolve the issue, please contact DC HOUSE customer support for further assistance.
6. Specifications
| Feature | Specification |
|---|---|
| Brand | DC HOUSE |
| Model Number | 1211800028 |
| Voltage | 48V |
| Capacity | 50Ah |
| Battery Type | LiFePO4 (Lithium Iron Phosphate) |
| Built-in BMS | Yes (50A) |
| Cycle Life | 15,000+ cycles (compared to 300-500 for lead-acid) |
| Operating Temperature (Charging) | 0°C to 55°C (32°F to 131°F) |
| Operating Temperature (Discharging) | -20°C to 55°C (-4°F to 131°F) |
| High Temperature Protection | 100°C |
| Dimensions (L*W*H) | 437*333*125mm (17*13*5 inches) |
| Weight | 26.5 kg (58.42 lbs) |
| Terminal Type | M8 Screw |
| Included Components | Battery |
7. Warranty Information
DC HOUSE products are manufactured to high-quality standards. This product is covered by a manufacturer's warranty against defects in materials and workmanship. The specific terms and duration of the warranty may vary. Please refer to the warranty card included with your purchase or visit the official DC HOUSE website for detailed warranty information and registration procedures.
Keep your proof of purchase (receipt or invoice) as it will be required for any warranty claims.
8. Customer Support
For technical assistance, troubleshooting not covered in this manual, or warranty inquiries, please contact DC HOUSE customer support. Our team is available to help you with any questions or concerns regarding your 48V 50Ah LiFePO4 battery.
Contact Information:
- Visit the official DC HOUSE website for contact details and support resources.
- Refer to your product packaging for specific customer service phone numbers or email addresses.
When contacting support, please have your product model number (1211800028) and purchase date available to expedite assistance.
