LED plug-in style replacement lamps for CFL downlights are simple plug and play retrofits offering up to 50% energy savings and 5x longer life expectancy than inefficient pin based CFL lamps. Offering the latest in LED manufacturing, these lamps are designed with advanced thermal management, new generation LED chip technology and 50K hours of operation. Electronic ballast compatible, these lamps are available in horizontal and vertical form factors without the need to bypass an existing ballast. Applications include commercial and residential use for recessed fixtures, sconces and ceiling fixtures.