With a whopping 1,500 lumens to its name, the Cree 100W Replacement Floodlight LED is perfect for people who need a lot of extra light. Plus, it only costs $11.

Best value pick: Utilitech 100W Replacement LED . Dimmable 100-watt replacement bulbs from big names such as Philips , GE and Cree will currently cost you about $13 apiece, but in a lot of cases ...

A 100-watt incandescent flood light produces around 1,300 lumens. That’s plenty of light to brighten an entire patio. An 18-watt LED lamp produces the same effect.

Given the 1002Wh battery inside, that LED light could be used as the world’s ... The Explorer 1000 portable power station and the Solar Saga 100W solar panel each stands on its own as a very ...

It's this line of thinking that led a 16 year old to invent the first flashlight powered entirely by body heat. Ann Makosinski's "Hollow Flashlight" isn't the only manually-powered light out there.