What is the difference between 55w and 100w car bulbs?

[MiaMarie]

The differences between 55w and 100w car bulbs are as follows: 1. Different power: The higher the power of the bulb, the brighter it is. The 55w low beam has lower power, while the 100w low beam has relatively higher power. 2. Different brightness: The 55w low beam is slightly dimmer, while the 100w low beam is brighter. Here is some extended information: 1. Bulb models: Bulb models include H1, H4, H3, H7, etc. Among them, H1 is a single-filament single-pin bulb, H7 is a single-filament double-pin bulb, and H4 is a dual-filament triple-pin bulb where both low and high beams are in one bulb. 2. Classification of xenon lights: Xenon lights are divided into six types based on bulb form: high beam with lens, low beam with lens (the above two types are generally used in original xenon light systems, such as PST, AUDI, etc.). Common bulb models include: H1 (for high beam), H3 (for fog lights), H4 (for combined high and low beam bulbs), and H7 (mostly for low beam).