2026-10-27
The B-KING A3 is a COB LED car headlight bulb intended for automotive headlight replacement. The unit is manufactured in Guangdong, China, carries CE and RoHS certification, and is supplied in neutral package boxes with a minimum order quantity of 100 sets. Pricing ranges from USD 25 to USD 35 per set, with a stated supply capacity of 10,000 sets per month and a delivery time of 15–25 days. Payment terms include T/T, L/C, D/P and D/A.
| Model | B-KING A3 |
|---|---|
| Light Source | COB LED chip (18 × 18 mm) |
| Total Power | 55W |
| LED Power | 40W |
| Operating Current | 5A |
| Cooling System | Fan cooling; 2 copper tubes + turbo fan; aluminium integrated heatsink |
| Ingress Protection | IP66 / IP67 (as stated in product data) |
| Operating Life | >30,000 hours (lifetime stated as >50,000 hours) |
| Working Temperature | -40°C to 105°C |
| Compatibility | Fits most car models and trucks, standard headlight housings |
| Warranty | 2 years |
| Certification | CE, RoHS |
| Packaging | Neutral package box |
The bulb uses COB (chip-on-board) LED technology as its light source. According to the product specification, each bulb draws a constant current of 5A, with 55W total power consumption and 40W LED power. The stated purpose of this configuration is a concentrated beam pattern intended to reduce glare for oncoming traffic while maintaining forward visibility.
Thermal management combines two copper heat pipes, a turbo fan and an aluminium integrated heatsink. The manufacturer states that this arrangement is intended to hold operating temperatures within the -40°C to 105°C window during extended use. An IP66/IP67 ingress protection rating is stated for resistance to dust and water exposure.
| Passenger vehicles | Nighttime driving visibility; replacement of halogen or existing LED bulbs |
|---|---|
| Light trucks and commercial vehicles | Where housing size and fitment permit, per supplier statement |
| Aftermarket distribution | Stock item for repair shops, accessory retailers and distributors |
| Fleet maintenance | Consumable replacement part for multi-vehicle fleets |
Orders are supplied from Guangdong, China. Standard terms are a minimum order quantity of 100 sets, neutral package box packaging, delivery in 15–25 days and payment via L/C, D/A, D/P or T/T. Monthly supply capacity is stated at 10,000 sets. Buyers requiring specific packaging or branding should confirm requirements with the supplier before ordering.
Performance figures in this article are as stated in the supplier's product specification. Actual results depend on vehicle wiring, headlight housing design, ambient conditions and installation quality. Buyers are advised to verify model fitment and local road-lighting regulations before purchase, and to request samples or test reports where compliance documentation is required.
For specifications, samples or volume pricing of the B-KING A3 COB LED car headlight bulb, contact the supplier's sales team.