One battery. One lonely little AAA, AA or CR123. What could it do in a flashlight when most of us remember state-of-the-art as those huge two or four D-cell man-beaters? Well, with the latest L.E.D. technology, a little CR123 battery can run a light for hours that’s no bigger than your finger but nearly as bright as a car headlight.

All the major players you know, and a few you don’t, have embraced the L.E.D. So, we’ll give you a primer on the new millennium flashlight tech and offer capsule reviews of 11 lights you can carry everyday without weighing you down or making folks wonder if you’re just glad to see them.

Hit the jump for the GearScout’s take on everyday carry (E.D.C.) lights.

UPDATE- We used random.org to choose a winner from the comments. Congrats Widowmaker!