Halogen Vs. Xenon Bulb

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The differences between halogen and xenon light bulbs include longevity, efficiency, and price. Both types of bulbs are used in automobile lights, although halogens are more common as of 2011.

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Halogens are notable for their long life, which averages about 1,000 hours, according to "Battle of the Headlights: Halogen vs. Xenon vs. LED," by AutoEvolution editor Bogdan Popa. The bulb provides a very bright light but becomes very hot, losing a lot of energy in the form of heat.


Xenon bulbs have an even longer life, averaging about 2,000 hours. They also consume less energy. However, they produce a lot of glare and are more expensive. In addition, xenon bulbs may contain toxic materials such as mercury, depending on the manufacturer.

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Xenon bulbs are recognisable by the slightly blue light they emit, while halogens produce a bright white light. Halogen bulbs are also reactive, so they can be damaged by skin oil and can explode when they fail, so manufacturers typically use a lens made of heavier glass to protect them.

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