Replacement led lamps are the led lamps which are the led replacing the hologen or fluroscent lights. Replacement led lamps continue to boost in sales because of many factors. Firstly replacement led lamps are smaller, secondly they are more efficient; thirdly they give more energy per watt. The replacement led lamps are replacing even the streetlights these days. Other use of the replacement led lamps consists of backlights and headlights of vehicles. More and more replacement led lamps are replacing halogen tubes of vehicles. The increase in led applications has ensured more sales of replacement led lamps.