I know a lot of people dislike Led Lenser, but you have to give them props for this one.
http://www.ledlenser.com/about/release?id=40
Specs:
Material Weight: 287 lb / 130 kg of aluminum Batteries Weight: 176 lb / 80 kg
Length: 13 feet / 400 cm
Number of LED Lamps: 19
Output on Batteries: 30,000 lumens on battery
Output Hard-wired: 100,000 lumens with 230 volts of power
Design: Based on the X21
Design and manufacturing time: 230 hours
