The Livowalny Cordless LED Work Light is on sale for just $15 on Amazon, a 42% discount compared to its normal price of $26.

Generally, a 100-watt-equivalent LED light bulb is between 10 and 15 watts. 60-watt-equivalent LED bulbs are between 8 and 10 watts, and 40-watt-equivalent bulbs are around 6 to 8 watts.

Cree's LED Replacement For the 75-Watt Bulbs You Can't Buy Anymore LED-maker Cree debuts a 75-watt bulb that produces excellent soft white light but is 82 percent more efficient than an incandescent.

Say you normally use a 60-watt incandescent bulb, for example. You would probably want to choose an LED bulb that uses 8 to 12 watts and has a lumen rating of 800 to get the same illumination.