KEVANLY H4 BA20D P15D

Contents

KEVANLY LED Motorcycle Headlight Bulbs

Model: H4 BA20D P15D

Brand: KEVANLY

1. Introduction

This manual provides essential information for the safe and effective installation, operation, and maintenance of your KEVANLY LED Motorcycle Headlight Bulbs. These bulbs are designed as a replacement for original vehicle headlights, turn signals, side lights, and position lights, compatible with mainstream motorcycle original lamp sockets. They offer both white and yellow light options with hi-lo beam functionality, featuring a CSP lens for optimal light patterns.

Motorcycle LED Headlight Bulbs with 360 degree lighting
Motorcycle LED Headlight Bulbs with 360° Lighting capability.

2. Safety & Warnings

Important Safety Information

Read all instructions before use. Failure to follow these instructions may result in damage to the product or personal injury.

  • Keep the device and its cord out of reach of children under 3 years old.
  • Keep away from children unless supervised by an adult.
  • Do not use this product for purposes other than its intended use.
  • Inspect the product before each use; do not use if damaged.
  • Follow installation and operation guidelines to avoid injury.
  • Do not expose to water or moisture.
  • Handle with care to avoid cuts or injuries.

Warning: Installation must comply with local vehicle modification regulations. This product cannot replace core vehicle warning/lighting functions. The manufacturer assumes no liability for light damage or vehicle issues resulting from circuit failure or improper installation.

3. Product Overview

Features

  • Light Source: High-quality CSP LED
  • Beam Type: Hi/Lo Beam (High and Low Beam)
  • Color Options: White and Yellow light
  • Design: Fisheye lens for highly penetrating light
  • Voltage: Wide pressure 12-80V DC
  • Material: Aluminum for efficient heat dissipation
  • Installation: Easy to install, direct replacement for original halogen bulbs
  • Durability: Suitable for motorcycle riding vibration and outdoor temperature differences
Designed appearance with CSP LED for perfect high low beam pattern
Designed appearance with CSP LED for perfect high/low beam pattern.
Excellent lighting features including super bright color, fisheye design, wide pressure, and aluminum material
Excellent lighting features: super bright color, fisheye design for penetrating light, wide pressure (12-80V), and aluminum material.

Product Dimensions

Product size diagram for H4 and BA20D bulbs
Product Size Diagram: H4 bulb (33mm diameter, 79mm length, 47mm base width) and BA20D bulb (33mm diameter, 69mm length, 23mm base width).

4. Specifications

Attribute Value
Product Name Motorcycle LED Light Bulb
Model H4, BA20D, P15D
Light Source LED (CSP)
Color Temperature 6000K (White), Yellow
Voltage 12V DC (compatible with 12-80V systems)
Material Aluminum
Origin Mainland China
Applicable Models Various types of motorcycles, scooters, motorbikes

5. Installation Steps (Setup)

Applicable parts: Replacement of original headlights, turn signals, side lights/position lights.

  1. Prepare for Installation: Before installation, turn off the motorcycle power and remove the vehicle key to ensure that the circuit is completely cut off and prevent short circuits.
  2. Remove Old Bulb: Remove the corresponding lamp housing or protective plate. Pinch the base of the original car light bulb, then rotate it counterclockwise or directly pull it out to remove.
  3. Install New LED Bulb: Hold the base of the new LED bulb (do not touch the light-emitting surface). Align the bulb with the socket interface. Rotate clockwise or directly plug it in to ensure good electrode contact.
  4. Test Functionality: Power on the motorcycle and test the lighting function (high beam, low beam, white light, yellow light).
  5. Reassemble: After confirming that there are no faults, reinstall the lamp housing/protective plate to complete the installation.
H4 bulb with high and low beam patterns
Example of an H4 bulb and its beam patterns.

6. Operation

These LED bulbs support both high and low beam functions, as well as white and yellow light output, depending on the model and wiring. The specific operation (e.g., switching between white and yellow light, or high/low beam) is typically controlled by your motorcycle's existing headlight switch.

White high beam and low beam patterns
Illustration of White High Beam and Low Beam patterns.
Road illumination with white and yellow light
Road illumination demonstrating both white and yellow light options.

Product showcase video demonstrating the LED bulbs and their light output.

7. Maintenance

  • Cleaning: If the illuminated surface is touched during installation/replacement, fingerprints and oil stains can affect transparency and service life. If touched, wipe it clean with a dust-free cloth.
  • General Care: Keep the bulbs free from excessive dirt and debris to ensure optimal performance and longevity.

8. Troubleshooting

  • Bulb Not Lighting Up:
    • Ensure the motorcycle power is on and the key is in the correct position.
    • Check for proper connection to the socket interface. Re-seat the bulb to ensure good electrode contact.
    • Verify that the voltage is 12V DC. Connecting to 24V or other non-compatible voltages will burn out the bulb.
    • Inspect the bulb for any visible damage.
  • Poor Light Output or Pattern:
    • Ensure the bulb is correctly aligned and seated in the lamp housing.
    • Clean the light-emitting surface with a dust-free cloth if it has been touched.
  • Bulb Overheating:
    • Ensure adequate ventilation around the bulb.
    • Verify the voltage supply is within the specified 12-80V DC range.

9. User Tips

  • Check Compatibility: Before purchasing, carefully compare the dimensions and base type (H4, BA20D, P15D) with your motorcycle's existing headlight assembly to ensure proper fitment. Some users have reported issues with the bulb not fitting in their specific headlight housing.
  • Cool Down Before Handling: The surface of the light bulb becomes hot after operation. Always allow the bulb to cool down completely before handling or attempting replacement to avoid burns.
  • Gentle Installation: Avoid excessive force during installation to prevent damage to the lamp holder buckle or bulb electrode. Ensure the interface is tightly clamped but not loose, to prevent poor contact.

10. Compliance Information

This product complies with the General Product Safety Regulation (GPSR) of the European Union, the Low Voltage Directive (2014/35/EU), the Electromagnetic Compatibility Directive (2014/30/EU), the ROHS Environmental Directive (2011/65/EU), and the vehicle light signal device standard ECE R48. All certification documents are authentic and valid, consistent with the product information.

11. Warranty & Support

For warranty claims, technical support, or further inquiries, please contact the manufacturer or your point of purchase. Ensure you retain your proof of purchase for any warranty-related services.

Manufacturer: Guangzhou Kejie Trading Co., Room 302, No. 10, Ou Gang North Street, Ke Mu Long West Road, Tianhe District, Guangzhou City, Guangdong Province, China.

EU Authorized Representative: SUCCESS COURIER SL, Calle de RIO TORMES 13A, oficina 1, Fuenlabrada, Madrid, 28947 Spain.

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