1. Introduction
This manual provides essential information for the safe and effective use of your HumsiENK 48V 100Ah LiFePO4 Lithium Battery. Designed as an ideal replacement for lead-acid batteries, this unit offers superior energy density, extended lifespan, and robust performance for golf carts and other compatible applications.
Figure 1.1: HumsiENK 48V 100Ah LiFePO4 Battery with included 15A Charger and Bluetooth monitoring display.
Key Features:
- Advanced LiFePO4 Technology: Utilizes EVE A+ Grade cells for high quality and energy density.
- Extended Lifespan: Offers 15,000+ cycles at 60% Depth of Discharge (DOD) or 6,000+ cycles at 80% DOD, significantly outlasting AGM batteries.
- High Discharge Capacity: Delivers 200A continuous discharge with peak surges up to 600A.
- Flexible Configuration: Supports 4P configuration for system expansion up to 48V 400Ah (20.48kWh).
- Smart Bluetooth 5.0 BMS: Integrated 200A Battery Management System for real-time monitoring via a mobile application, providing comprehensive protection.
- Wide Temperature Range: Operates from -4°F to 150°F (-20°C to 65°C) with automatic low-temperature charging cutoff.
- IP67 Waterproof Rating: Provides excellent resistance to moisture and rust.
- Lightweight and Compact: Designed for easy installation and space-saving in golf carts, compatible with Group 8D battery boxes.
- Includes 15A Charger: A dedicated 48V LiFePO4 charger with overcharge, over-discharge, short-circuit, and over-temperature protection.
2. Safety Information
Always adhere to safety precautions when handling and operating the battery. Failure to do so may result in injury or damage to the product.
General Safety Guidelines:
- Do not disassemble, puncture, or modify the battery.
- Avoid short-circuiting the battery terminals.
- Keep the battery away from heat sources, open flames, and flammable materials.
- Do not immerse the battery in water, despite its IP67 rating.
- Use only the specified charger provided with the battery.
- Ensure proper ventilation during charging and operation.
- Wear appropriate personal protective equipment (PPE) such as gloves and eye protection when handling batteries.
- In case of fire, use a Class D fire extinguisher. Water or foam may exacerbate lithium battery fires.
Battery Management System (BMS) Protections:
The integrated 200A Smart BMS provides multiple layers of protection:
Figure 2.1: The 200A Smart BMS offers comprehensive protection for the battery.
- Overcurrent Protection: Prevents damage from excessive current draw.
- Overheat Protection: Monitors and regulates internal temperature.
- Short Circuit Protection: Automatically disconnects in case of a short circuit.
- Overvoltage Protection: Prevents overcharging.
- Overdischarge Protection: Prevents deep discharge, preserving battery life.
- Low-Temperature Cut-off Protection: Automatically stops charging below -4°F (-20°C) to prevent damage and ensure longevity.
Figure 2.2: The battery features smart low-temperature protection for reliable performance in various climates.
3. What's in the Box
Upon opening the package, verify that all components are present and undamaged:
- 1 x HumsiENK 48V 100Ah LiFePO4 Battery
- 1 x 15A Charger (specifically designed for 48V LiFePO4 batteries)
4. Setup
Battery Placement and Compatibility:
The HumsiENK 48V 100Ah LiFePO4 battery is designed to fit most popular 48V golf carts and is compatible with the Group 8D battery box. Its compact and lightweight design simplifies installation.
Figure 4.1: The battery is designed to fit perfectly in golf carts, with dimensions of approximately 8.66 in (22 cm) x 20.47 in (52 cm) x 10.51 in (26.7 cm).
Figure 4.2: The HumsiENK 48V 100Ah battery offers worry-free compatibility with various 48V golf cart brands, including Club Car, Yamaha, and EZGO.
Installation Steps:
- Ensure the golf cart's power system is completely off before beginning installation.
- Carefully remove any existing batteries from the battery compartment.
- Place the HumsiENK 48V 100Ah LiFePO4 battery into the designated battery box.
- Connect the battery terminals to your golf cart's electrical system, ensuring correct polarity (positive to positive, negative to negative). Refer to your golf cart's manual for specific wiring diagrams.
- Secure the battery to prevent movement during operation.
Initial Charging:
Before first use, it is recommended to fully charge the battery using the provided 15A charger.
Figure 4.3: The high-speed 48V 15A charger ensures faster and safer charging.
- Connect the charger to a standard 100V-240V AC power outlet.
- Connect the charger's output cable to the battery's charging port.
- Monitor the charger's indicator lights for charging status. The charger is built with overcharge, over-discharge, short-circuit, and over-temperature protection.
- Once fully charged, disconnect the charger from the battery and then from the power outlet.
Bluetooth App Setup:
The battery features Bluetooth 5.0 for real-time monitoring via a dedicated mobile application.
- Download the HumsiENK battery monitoring app from your smartphone's app store (iOS/Android).
- Ensure Bluetooth is enabled on your smartphone.
- Open the app and follow the on-screen instructions to connect to your battery. The battery may have a QR code for easy pairing.
- Once connected, you can monitor various parameters such as voltage, temperature, and charge status.
5. Operating Instructions
Daily Operation:
The HumsiENK 48V 100Ah LiFePO4 battery provides consistent and powerful performance for your golf cart. It can handle frequent starts, stops, and inclines, offering a range of 42-58 miles (4-9 full 18-hole rounds) on a single charge.
Monitoring with Bluetooth App:
Use the Bluetooth app to keep track of your battery's health and performance in real-time.
Figure 5.1: The smart Bluetooth control allows real-time monitoring of your battery's status.
The app displays critical information including:
- Current Voltage
- State of Charge (SOC) percentage
- Current (Amps)
- Temperature of individual cells
- Cycle Count
- BMS status and alerts
6. Maintenance
Charging Recommendations:
- Always use the provided 15A charger or a compatible LiFePO4 charger.
- Avoid overcharging or undercharging the battery. The BMS will protect against this, but consistent proper charging practices extend battery life.
- Charge the battery in a well-ventilated area.
- It is generally recommended to charge the battery after each significant use to maintain optimal performance.
Storage Guidelines:
- For long-term storage, charge the battery to approximately 50% State of Charge (SOC).
- Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures.
- Periodically check the battery's voltage during storage and recharge to 50% SOC if it drops significantly.
Cleaning:
- Keep the battery terminals clean and free of corrosion. Use a dry cloth to wipe down the battery casing.
- Do not use harsh chemicals or abrasive cleaners.
7. Troubleshooting
If you encounter issues with your HumsiENK battery, refer to the following common problems and solutions. The integrated BMS will often provide diagnostic information via the Bluetooth app.
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging | Charger not connected properly; Charger malfunction; Battery BMS in protection mode (e.g., low temperature, over-discharge) | Check all connections; Verify charger functionality; Move battery to warmer environment if below -4°F; Attempt to wake up battery if deeply discharged (refer to app for status). |
| Battery not providing power | Battery BMS in protection mode (e.g., overcurrent, over-discharge, short circuit); Loose connections | Check app for BMS fault codes; Reduce load; Check and tighten all wiring connections; Recharge battery if over-discharged. |
| Bluetooth app not connecting | Bluetooth off on phone; App not updated; Battery too far; Battery in deep sleep mode | Ensure phone Bluetooth is on; Update app; Move closer to battery; Cycle battery power if possible (disconnect/reconnect). |
| Reduced range/performance | Battery not fully charged; Aging battery; High power draw; Extreme temperatures | Ensure full charge before use; Monitor battery health via app; Reduce unnecessary power consumption; Operate within recommended temperature range. |
If the problem persists after attempting these solutions, please contact HumsiENK customer support for further assistance.
8. Specifications
Detailed technical specifications for the HumsiENK 48V 100Ah LiFePO4 Battery:
| Specification | Value |
|---|---|
| Model Name | HumsiENK LiFePO4 48V 100Ah Battery |
| Nominal Voltage | 48V |
| Nominal Capacity | 100Ah |
| Usable Energy | 5120Wh |
| Max Continuous Discharge Current | 200A |
| Peak Discharge Current | 600A (0.3s) |
| Cycle Life | 15,000+ cycles @ 60% DOD; 6,000+ cycles @ 80% DOD |
| Lifespan | Up to 10 years |
| BMS | 200A Smart BMS with comprehensive protections |
| Bluetooth | Bluetooth 5.0 for app monitoring |
| Operating Temperature (Charging) | 32°F to 149°F (0°C to 65°C) |
| Operating Temperature (Discharging) | -4°F to 158°F (-20°C to 70°C) |
| Waterproof Rating | IP67 |
| Product Dimensions | 8.6 x 20.5 x 10.4 inches (approx. 21.8 x 52.1 x 26.4 cm) |
| Weight | 86.32 lbs (39.15 kg) |
| Recommended Uses | Golf Cart, Trolling Motors, Solar Systems, RV, Marine |
| Charger Input Voltage | 100V-240V AC |
| Charger Output Current | 15A |
9. Warranty and Support
Warranty Information:
HumsiENK offers a 5-year solution promise for this product, demonstrating our commitment to quality and customer satisfaction. This warranty covers defects in materials and workmanship under normal use.
Customer Support:
Our professional technical support team is available 24/7 to assist you with any questions regarding product installation, operational issues, or other battery-related inquiries. Please do not hesitate to contact us for prompt and satisfactory assistance.
For support, please visit the official HumsiENK website or refer to the contact information provided with your product packaging.