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Does the car ambient light consume electricity
  • 2025-05-16
  • 859

Automotive ambient lights consume electricity, but the power consumption is usually low, and normal use will not have a significant impact on the vehicle's power and performance. The following is a specific analysis:

Low power: The power of car ambient lights is usually between a few watts and a dozen watts, generally not exceeding 10 watts. Taking driving at night as an example, the power consumption of turning on the ambient light for one night is about 0.2 degrees. Assuming the vehicle travels 10000 kilometers per year, the power consumption of ambient lighting is approximately 1.2 degrees. This type of power consumption is almost negligible in the overall power consumption of the vehicle.

Battery capacity support: The capacity of the vehicle battery is usually between 55-60Ah, which is sufficient to cope with the power consumption of ambient lights. Even if the ambient light is used overnight, the battery will only lose 0.2 degrees. For vehicles with large battery capacity, this power consumption will not have a significant impact on the battery life.

Influencing factors:

Installation quantity: The more ambient lights installed in the car, the total power may accumulate to over ten watts or even higher, resulting in a corresponding increase in power consumption.

Brightness adjustment: For every 100 lumens increase in high brightness ambient lighting, battery consumption may increase by about 10%. Choosing the appropriate brightness can effectively control power consumption.

Usage time: Long term use of ambient lighting will increase power consumption, especially during prolonged nighttime driving, which may have a certain impact on the vehicle's range.

Energy saving suggestions:

Reasonable use: Turn off the ambient light promptly when it is not needed to avoid prolonged use.

Choose low-power products: Prioritize using ambient lights with lower power to reduce the impact on the battery.

Utilize adjustable brightness function: adjust brightness according to actual needs to reduce power consumption.

The impact on the battery:

For vehicles with small battery capacity (such as some small cars), frequent and prolonged use of ambient lighting may affect battery life. It is recommended that car owners regularly check and maintain the battery to ensure its normal operation.

High end models such as Mercedes Benz and BMW use energy-saving LED technology, which can reduce energy consumption by 85% and further minimize the impact on the battery.


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