Introduction
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of your WOHPNLE Electric Cycling Conversion Kit. This kit is designed to enhance your electric bike or scooter's performance, featuring a 15A motor controller, S966 color screen display meter, throttle lever, power assist sensor, and connecting wires. Please read this manual thoroughly before installation and use to ensure proper function and safety.
Package Contents
Verify that all components listed below are present in your package:
- 1 x Controller (15A)
- 1 x Throttle Lever
- 1 x Power Assist Sensor
- 1 x Controller Wiring Manual (refer to this document for detailed wiring)
- 1 x Connection Wire Set
- 1 x S966 Display Meter
- 1 x Display Meter User Manual (integrated into this document)

Image: Overview of the WOHPNLE Electric Cycling Conversion Kit components, including the controller, S966 display, throttle, and various cables.
Setup and Installation
Follow these steps to correctly install the electric cycling conversion kit. Ensure the power source is disconnected before beginning installation.
- Controller Placement: Mount the controller in a secure location on your bicycle or scooter, away from direct moisture and physical impact. The metal housing with grooves is designed for heat dissipation.
- Display Meter Installation: Attach the S966 display meter to your handlebar. Ensure it is positioned for clear visibility during operation. The ABS housing provides water resistance.
- Throttle Lever Installation: Install the throttle lever on the handlebar, typically on the right side, ensuring comfortable access.
- Power Assist Sensor Installation: Install the power assist sensor near the pedal crank. Refer to the specific instructions for your bicycle type for optimal placement.
- Wiring Connections: Connect all components to the controller using the provided connection wires. Pay close attention to the labels and connector types to ensure correct pairing. The controller wiring diagram below illustrates the typical connections.

Image: A detailed diagram showing the connections to the controller, including power supply, lamp, assist sensor, 1-to-2 cable, and motor. Each connection point is clearly labeled.
Important Note: Connect the wires of the controller in sequence according to the instructions. Incorrect wiring can damage the components. If unsure, consult a qualified technician.
Operating Instructions
Once installed, the kit provides various functions to enhance your cycling experience.
- Power On/Off: Use the designated switch button on the S966 display meter to power the system on or off.
- Display Functions: The S966 display meter provides real-time information about your ride. This includes:
- Current Speed
- Battery Level Indicator
- Assistance Level (PAS)
- Trip Distance
- Total Distance
- Error Codes (if any)
- Throttle Operation: The throttle lever provides on-demand power. Gently twist or press the lever to engage the motor and control speed.
- Power Assist Sensor (PAS): The power assist sensor detects your pedaling motion and provides motor assistance, making pedaling easier. The level of assistance can typically be adjusted via the display meter.
- Light Control: If connected, the display meter may include a button to control your electric bike's lights.

Image: The electric cycling conversion kit components, including the S966 display and controller, shown in a cycling context, illustrating their integration.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your conversion kit.
- Cleaning: Wipe down the display meter and controller with a soft, damp cloth. Avoid using harsh chemicals or abrasive materials. While the display meter is water-resistant, avoid submerging any components.
- Connection Check: Periodically inspect all electrical connections for tightness and signs of wear or corrosion. Ensure all cables are securely routed and not pinched.
- Environmental Protection: Store your electric bike or scooter in a dry, temperate environment when not in use. Protect the components from extreme temperatures and direct sunlight.
- Battery Care: Follow the manufacturer's instructions for your electric bike battery. A well-maintained battery is crucial for the kit's performance.
Troubleshooting
If you encounter issues, refer to the following common troubleshooting steps:
- No Power to Display/Motor:
- Check if the battery is charged and properly connected.
- Ensure all main power cables are securely plugged into the controller.
- Verify the display meter is powered on.
- Motor Not Responding to Throttle/PAS:
- Check the connections for the throttle lever and power assist sensor to the controller.
- Ensure the PAS sensor is correctly aligned and free from obstructions.
- Look for any error codes displayed on the S966 meter and consult the display's specific manual for their meaning.
- Inconsistent Performance:
- Inspect all wiring for loose connections or damage.
- Ensure the controller is not overheating (though its design aids heat dissipation).
- Check for any physical damage to the components.
If problems persist after attempting these steps, please contact WOHPNLE customer support for further assistance.
Specifications
| Feature | Specification |
|---|---|
| Brand | WOHPNLE |
| Model Name | WOHPNLEb5sapc3qrv |
| Controller Voltage | 36V / 48V |
| Controller Maximum Current | 15A |
| Controller Rated Current | 7A |
| Controller Speed Setting | 1-4.2V |
| Controller Size (Approx.) | 83 x 52 x 30mm / 3.3 x 2 x 1.2in |
| Applicable Motor Power | 250W - 350W |
| Display Meter Material | ABS Plastic |
| Controller Material | Metal (Aluminum Alloy) |
| Item Package Dimensions | 8.27 x 5.51 x 4.33 inches |
| Package Weight | 737 Grams |

Image: The controller unit with its approximate dimensions (83mm x 52mm x 30mm) indicated, highlighting its compact size.
Warranty and Support
Specific warranty information for the WOHPNLE Electric Cycling Conversion Kit is not provided in the available product data. For details regarding warranty coverage, return policies, or technical support, please refer to the product packaging or contact WOHPNLE customer service directly through their official channels or the retailer from whom the product was purchased.