Today’s halogen light technology has been around since around the 1960’s, making it the oldest among the 3 in terms of technological advancement. The main reason halogens are still offered for sale by some retailers is due to their cheap manufacturing costs, and mainly targeted at price conscious consumers. Halogen globes are similar to the factory globes fitted to your 4x4 in that they have a physical filament that glows to produce light. As current from the battery passes through this thin filament, it causes resistance, which produces heat which in turn creates light. Halogen 4x4 Lights are identifiable by the very 'yellow' light temperature omits. Halogen lights typically consume 55w to 100w per light, however much of its energy consumption is wasted in producing heat. Halogen bulbs have the lowest luminous efficiency (Lumens produced per 1 watt of nput power). The only advantage of incandecents as of today is its higher colour rendering index (CRI) when compared to LED or HID, however LEDs are closing the CRI gap at a rapid pace, and soem of todays cutting edge LED emitters have negligible difference in CRI score. Read more. There exist notable features that distinguish LED from HID headlights. HID are more superior in terms of luninous efficiency as compated to LED headlights. This headlight requires a short period of time to reach maximum brightness. On the contrary, LED lights achieve full brightness instantly and consume very low power.
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Michael WalshSales Manager at Prestige Volvo Archives
November 2018
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