Enjoybot 36V 100Ah LiFePO4 Lithium Golf Cart Battery Conversion Kit User Manual

1. Introduction

This manual provides essential information for the safe and efficient use of your Enjoybot 36V 100Ah LiFePO4 Lithium Golf Cart Battery Conversion Kit. This kit is designed to upgrade 36V golf carts from various brands, including EZGO, Club Car, Yamaha, Star EV, and Polaris, offering enhanced performance and a longer lifespan compared to traditional lead-acid batteries.

The battery features a built-in 100A Battery Management System (BMS) with Bluetooth connectivity, low-temperature cut-off protection, and a peak current of 500A. It is also suitable for trolling motors with 100-120 lbs thrust and a maximum current of less than 80 Amp.

2. What's in the Box

• 1 x 36V 100Ah LiFePO4 Battery
• 1 x 43.8V 25A Battery Charger
• 1 x Battery Monitor 500A with Shunt
• 1 x DC-DC 36V to 12V Step Down Converter

Image: The complete Enjoybot 36V 100Ah LiFePO4 Battery Conversion Kit, showing the battery, charger, battery monitor, and DC-DC converter.

3. Product Features

• Golf Cart Compatibility: Designed for 36V golf carts from brands like EZGO, Club Car, Yamaha, Star EV, and Polaris.
• High Performance: Supports motors up to 5kW and controller rated current of 500A, with a peak current of 500A (3-5s).
• Bluetooth 5.0 Connectivity: Monitor real-time battery data (voltage, current, capacity, temperature, individual cell voltage) via a user-friendly app within a 5-meter range.
• Integrated Battery Monitor: High-quality external battery monitor included for real-time performance tracking.
• Space and Weight Saving: Equivalent to 3x 12V 100Ah lithium iron phosphate batteries, saving 1/2 space and significantly reducing weight.
• Fast Charging: Reduces charging time from 12 hours to approximately 4 hours with the included 25A charger.
• Intelligent 100A BMS Protection: Built-in Battery Management System provides protection against high/low temperature cut-off, overcharge, over-discharge, overload, short-circuit, and ensures cell self-balancing.
• Low Temperature Protection: Automatically stops discharging below -4°F (-20°C) and stops charging below 32°F (0°C). Charging resumes above 41°F (5°C).
• Long Lifespan: Offers over 6000 cycles at 80% Depth of Discharge (DOD) and a 10-year lifetime.
• DC-DC Converter: Included 36V to 12V Step Down Converter ensures smooth operation of all 12V electrical devices on your golf cart.

Image: Illustration of the Bluetooth 5.0 feature, showing real-time monitoring, discharge switch, and auto-connection capabilities via a smartphone app.

Image: Diagram illustrating the Intelligent 100A BMS Protection, highlighting features like high/low temp cut-off, overcharge, over-discharge, overload, short-circuit, and cell self-balancing.

4. Product Specifications

Image: Detailed product view with dimensions (20.4in D x 10.6in W x 8.66in H) and key specifications like Terminal (M8*16mm L), Energy (3840WH), Charge Voltage (42.6V-43.8V), Weight (63.2lb/28.7kg), and Cycle Life (6000+ Cycles at 80% DoD).

5. Setup and Installation

The Enjoybot 36V 100Ah LiFePO4 battery conversion kit is designed for a clean and simplified installation. Follow these general guidelines for setup:

1. Preparation: Ensure your golf cart is turned off and disconnected from any power source. Remove existing batteries and clean the battery compartment.
2. Battery Placement: Position the new Enjoybot LiFePO4 battery securely in the compartment. Its compact size (20.4"D x 10.6"W x 8.66"H) allows for space saving.
3. Wiring: Connect the battery to your golf cart's system. The kit includes a DC-DC 36V to 12V Step Down Converter for powering 12V accessories. Ensure all connections are secure and properly insulated.
4. Charger Installation: The included 43.8V 25A Battery Charger can be mounted on board for convenience. Connect it to the battery and ensure proper AC power input.
5. Battery Monitor Setup: Install the 500A Battery Monitor with Shunt. This allows for easy tracking of battery performance in real-time. Refer to the monitor's specific instructions for detailed setup.

Image: Wiring diagram for the DC-DC 36V to 12V Step Down Converter, showing positive and negative input/output connections.

Image: Visual representation of the 43.8V 25A LiFePO4 Battery Charger connected to the battery and a power outlet, demonstrating the charging process.

Installation Video Resources:

6. Operating Instructions

Operating your Enjoybot LiFePO4 battery is straightforward, especially with its smart features:

1. Powering On/Off: Ensure all connections are secure before powering on your golf cart. The battery's BMS will manage power delivery.
2. Using the Bluetooth App: Download the Enjoybot app on your smartphone. Connect to the battery via Bluetooth (within 5 meters) to access real-time data such as voltage, current, remaining capacity, temperature, and individual cell voltages. The app also allows control over the discharge switch.
3. Battery Monitor Display: The included LCD battery monitor provides a quick visual overview of key battery parameters. Use the operation keys to navigate through different screens and settings.
4. Charging: Connect the 43.8V 25A charger to the battery and a standard AC outlet. The battery will fully charge in approximately 4 hours. The BMS will automatically manage the charging process to prevent overcharging.
5. Low Temperature Protection: The battery is equipped with a low-temperature cut-off function. It will automatically stop discharging if the temperature drops below -4°F (-20°C) and stop charging if the temperature drops below 32°F (0°C). Charging will resume once the temperature rises above 41°F (5°C).

Image: Close-up of the LCD display and its operation keys, showing indicators for capacity percentage, current capacity, remaining time, voltage, current, and power.

7. Maintenance

Proper maintenance ensures the longevity and optimal performance of your Enjoybot LiFePO4 battery:

• Regular Monitoring: Utilize the Bluetooth app or the external battery monitor to regularly check battery health, voltage, and temperature.
• Charging Practices: Always use the provided 43.8V 25A charger. Avoid over-discharging the battery. The BMS will protect against this, but consistent deep discharges can reduce overall lifespan.
• Temperature Management: Be aware of the operating temperature ranges. The built-in low-temperature cut-off protects the battery, but avoid operating or charging in extreme conditions if possible.
• Storage: For long-term storage, ensure the battery is charged to approximately 25% capacity. Recharge the battery every 3 months to maintain its health.
• Cleanliness: Keep the battery terminals and connections clean and free from corrosion.

Image: Diagram illustrating the low temperature cut-off protection, showing temperature thresholds for stopping discharge (below -4°F/-20°C), stopping charging (below 32°F/0°C), and resuming charging (above 41°F/5°C).

8. Troubleshooting

If you encounter issues with your Enjoybot battery, consider the following:

• Battery Not Charging:
  • Ensure the charger is properly connected to both the battery and a working AC outlet.
  • Check the

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