Energy Saving Hight Power LED output with very low current drawed

Light color chart: ( from Wikipedia)

High power LEDs

High power LEDs (HPLED) can be driven at currents from hundreds of mA to more than an ampere, compared with the tens of mA for other LEDs. A single HPLED can often replace an incandescent bulb in a flashlight, or be set in an array to form a powerful LED lamp.