A ballast is a crucial part of your HID Headlights as it regulates and supplies power to the xenon bulb. Under powered or flickering headlights are likely due to a failure with the xenon ballast, and it may need to be replaced.
At Xenons Online, we stock a wide range of replacement aftermarket and OEM ballasts, suitable for a range of different vehicle makes and models. We stock OEM ballasts for manufacturers such as Audi, BMW, Ford, Mercedes and many more.
Replacement original ballast, straight swap over plug and play. Used to replace faulty Xenon HID Ballasts found under the headlamp itself. We have ...
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Last updated: June 2026. When it comes to vehicle lighting, the choice of bulb can significantly impact visibility, safety, and aesthetics. Today we focus on the H11 | 711 bulb and the various options available. This guide covers everything you...
"What's the brightest H7 bulb?" is one of the most common questions we get at Xenons Online. The short answer is below, followed by a full breakdown of how H7 halogen, Xenon HID and LED bulbs compare on brightness —...
When it comes to illuminating the road, car headlights have evolved significantly over the years.
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