Big Energy H3 LED Conversion Kit — 1500 lm 5700K (12/24V)

Upgrade your vehicle’s lighting with the Big Energy H3 LED conversion kit, designed to deliver clearer, brighter visibility with simple, hassle-free installation. Replacing traditional halogen bulbs, this kit produces a crisp 5700K daylight-white light, improving visibility and driving comfort in low-light conditions.

Featuring a fanless design for silent operation and a durable IP67-rated construction, this kit is built for long-lasting performance with a lifespan of up to 50,000 hours.

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Key Features

• H3 LED conversion kit (sold as a pair)
• Bright output: 1500 lm per bulb (3000 lm per set)
• 5700K daylight white for improved clarity and contrast
• 12–24 V compatibility — suitable for cars and commercial vehicles
• Fanless design for silent operation
• IP67 rated — resistant to dust and water
• Long lifespan: up to 50,000 hours
• Compact design for easy installation

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Performance & Benefits

Designed as a direct replacement for halogen bulbs, this kit delivers a focused, efficient beam that enhances visibility at night and in poor weather conditions. The daylight-white output improves contrast and reduces eye strain for safer, more comfortable driving.

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Installation & Compatibility

• Connector type: H3 — direct replacement for H3 bulbs
• Compact, optimised design for installation in tight housings
• Suitable for both 12V and 24V systems

Note: Some vehicles may require a CAN bus decoder (e.g. Big Energy Part No. 901005) to prevent dashboard warning errors.

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Technical Specifications

General

• Unit: Pair

Electrical

• Voltage (DC): 12–24 V
• Power consumption: 12 W (per bulb)

Lighting Performance

• Luminous flux:
  • 1500 lm (actual, per bulb)
  • 3000 lm (theoretical, per set)
• Color temperature: 5700 K

Connection

• Type: H3 connector

Construction & Durability

• IP rating: IP67
• Lifespan: up to 50,000 hours
• Cooling: Fanless (silent operation)

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Important Information

• Ensure your vehicle uses H3 fittings before purchase
• May require a CAN bus decoder to avoid error messages
• Not E-approved — check local regulations before road use

CLICK HERE FOR CANBUS DECODER FOR H3 BULBS

CLICK HERE FOR THE BIG ENERGY LED BULB INSTALLATION GUIDE

CLICK HERE FOR THE BIG ENERGY BULB RANGE SPECIFICATIONS SHEET

Retrofit, auxiliary and replacement lights and electrical components for Scania, Volvo, MAN, DAF, Hino, Iveco, Renault and Mercedes trucks and haulage vehicles; emergency, commercial vehicles and tractors. We serve Ireland, Northern Ireland, Great Britain/The UK and Europe. To find and purchase products wholesale (contact us) and retail, and to view our current for sale, discounted and clearance offers please go to the home page.