Green Power LED Light Bulbs. Experience energy-savings LEDs without sacrificing light quality. Saving money on quality lighting doesn't need to be expensive. With the familiar look &feel of traditional bulbs, Green Power LED lights blubs are the smart &affordable alternative to the standard incandescent. Essential LED bulbs are compatible with existing fixtures with an E-27 or B-22 holder & are designed for retrofit replacement of incandescent, halogen & energy saving blubs. They deliver huge energy saving & minimise initial investment.